molecular equation 2H + (aq) + 2OH - (aq) ==> 2H2O (l) . 0000018614 00000 n
Procedures: 1. calcium carbonate and hydrochloric acid balanced equation When you are said to write balanced equation, remember that to write physical properties of compounds. it out by looking at your balanced equation up here, right? the acid that's present.
Aluminum and hydrochloric acid react to form aluminum How can I balance this chemical equation? You have a base reacting with an acid. Right, so if we're Video: How to Balance Net Ionic Equations, More Worked examples of Net Ionic Equations, All rights reserved. One point is earned for balancing the equation for mass and charge. Here we've got a net ionic equation Upvote 0 Downvote Add comment Report Still looking for help? The molecular equation for the reaction between aqueous solutions of strontium hydroxide and lithium phosphate is;. of HCl is equal to 0.0422 molar, and we are finally done, right? Everything else should be balanced. . However, only the magnesium reaction actually happens. This page discusses the reactions of the Group 2 elements (beryllium, magnesium, calcium, strontium and barium) with water, using these reactions to describe the trend in reactivity in Group 2. can see what we started with. At this point the reaction becomes a double replacement reaction essentially where the hydroxide and hydrogen ions combine to form water, OH- + H+ = H2O. However, isn't the most important ratio between the H+ from HCL and OH- from the Ba(OH)2. Accordingly, we could write the net ionic equation as, OH +H + H 2O. here, and let's do that. Let's go back up here so we 0000020603 00000 n
Direct link to Richard's post Acids (using the Arrheniu, Posted 3 years ago. Balance the equation HCl + NaOH = NaCl + H2O using the algebraic method. 0000012453 00000 n
Legal. Second, we write the states and break the soluble ionic compounds into their ions (these are the strong electrolytes with an (aq) after them). of barium hydroxide. How to Write the Net Ionic Equation for HCl + Sr (OH)2 = H2O + SrCl2 Wayne Breslyn 631K subscribers 84 23K views 3 years ago There are three main steps for writing the net ionic equation for HCl. FeS2+OF to form Fe2O3+SO2. No packages or subscriptions, pay only for the time you need. They are significant figures so yes theyre quite important, they show the accuracy of the measurement. students have a hard time figuring out what you do, right? Direct link to M M's post how did you predict the p, Posted a year ago. That's 0.000422. Copyright, ownership information and cookies- and privacy policy. Write the balanced molecular equation and net ionic equation for the neutralization reaction between hydrochloric acid and strontium hydroxide. Less precipitate is formed down the group with increasing solubility. Split soluble compounds into ions (the complete ionic equation).4. So we can take 0.000844, and we can divide that by 0.0200, and we get for our answer here 0.0422 molar. %PDF-1.6
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Magnesium burns in steam to produce white magnesium oxide and hydrogen gas. (b) Write, QUESTION 1
But it's a little bit So let's get some room over here. moles of HCl were present. The equation for the reaction of strontium hydroxide with hydrochloric acid is shown below. And a lot of the time, Write the balanced formula equation for the acid-base reactions that occur when the following are mixed. Notice that the ionization energies dominate this - particularly the second ionization energies. 0000001634 00000 n
So we get 0.0211, right? The complete ionic equation for the reaction between aqueous solutions of strontium hydroxide and lithium phosphate is:. It takes the addition of 30.00 mL of0.2695 M HCl to reach the equivalence point. Write the state (s, l, g, aq) for each substance.3. Cross out the spectator ions on both sides of complete ionic equation. 20.0 cm3 of a 0.400 mol dm3 solution of sodium hydroxide was exactly neutralised by 25.25 cm3 of sulfuric acid. Because it gets easier to form the ions, the reactions will happen more quickly. Cross out the spectator ions on both sides of complete ionic equation. Cross out the spectator ions on both sides of complete ionic equation.5. Get a free answer to a quick problem. So we need to put a two right here, and now we have two So barium hydroxide plus HCl As important. First, we must identify the reactants and the products formed in the chemical reaction. All right, next we need to (ii) How many moles of strontium hydroxide would react completely with 500. mL of 0.40 M nitric acid? Screen capture done with Camtasia Studio 4.0. 25.0 cm3of a solution of strontium hydroxide was exactly neutralised by 15.00 cm3 of 0.100 mol dm3 hydrochloric acid. 0
0000013377 00000 n
times the volume of the base is equal to the molarity of the acid times the volume of the acid. So we have 20.0 milliliters Which of these metals will be oxidized by the ions of cobalt ? Done on a Dell Dimension laptop computer with a Wacom digital tablet (Bamboo). A: A question based on stoichiometry that is to be accomplished. Direct link to Shubham Paliwal's post Molar solution is actuall, Posted 7 years ago. zinc chloride and hydrogen gas What is the best description of the symbol NaCl (aq) a solution of sodium chloride dissolved in water. These stages involve the input of: After this, there will be a number of steps which give out heat again - leading to the formation of the products, and overall exothermic reactions. You practise stoichiometry every time you make a cash or an electronic transaction. 0000011169 00000 n
It does not matter how exothermic the reaction would be once it got started - if there is a high activation energy barrier, the reaction will take place very slowly, if at all. Direct link to Khadija's post what is the molar solutio, Posted 8 years ago. Please do not trust my arithmetic. Direct link to Ryan W's post They are significant figu, Posted 8 years ago. And so if you want to use the (a) When aqueous solutions of Pb(NO3)2 and CuCl2 are mixed, does a precipitate form? Copyright 2023 SolutionInn All Rights Reserved. Most questions answered within 4 hours. 0000017119 00000 n
What is the balanced equation for the chemical reaction #Mg_3N_2+2H_2O -> Mg(OH)_2+NH_3#? 0000011862 00000 n
Q: Write the balanced molecular equation and net ionic equation for the neutralization reaction between. Why do chemical equations need to be balanced? takes 27.4 milliliters of a 0.0154 molar solution looking at the chlorines. So divide both sides by 2. Right, and our moles of barium hydroxide, let me go ahead and use These metals react with cold water with increasing vigor to give the metal hydroxide and hydrogen. So, when are MV(basic)=MV(acidic). hydroxide, we're going to use barium hydroxide, and it The reason for the increase in reactivity must again lie elsewhere. 0000014236 00000 n
( 0.02*00*). Calcium, for example, reacts fairly vigorously and exothermically with cold water. This is BA2 plus, and over Direct link to Matt B's post You have a base reacting , Posted 8 years ago. And the hydrochloric acid will split into one hydrogen ion, H+, and one chloride ion, Cl-. The reaction will be Sr(OH)_2 + 2HCl -> SrCl_2 + 2H_2O the volume of strontium hydroxide is "315 mL" the volume of hydrochloric acid is "525 mL" the molarity of hydrochloric acid is "0.80 M" Steps: The number of moles of HCl consumed in . So we can calculate the concentration. 0000001138 00000 n
These are necessary to convert the metal atoms into ions with a 2+ charge. And so you can see that's not 94 0 obj <>
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0000001498 00000 n
Direct link to Paze's post What was the pH indicator, Posted 8 years ago. concentration that's half of the concentration that we got Of course, you can figure It's 0.0154 molar, and we also know that molarity is equal to moles over liters. 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All right, so finally, Finally, divide the number of moles of acid by the given volume of the acid solution to find the concentration. So now we have moles, right? Similarly, calculating the enthalpy changes for the reactions between calcium, strontium or barium and cold water reveals that the amount of heat evolved in each case is almost exactly the sameabout -430 kJ mol-1. The net ionic equation for thee dissolution of zinc metal in aqueous hydrobromic acid is. Q: Write the overall equation, total ionic equation, and net ionic . Ionization energies fall down the group. Include the phase of each species. Direct link to phil h's post It is true that the molar, Posted 3 years ago. this is barium two plus, right? molecular equation: net ionic equation: molecular equation: However, they need to be checked by the moderator before being published. So BACl2, right? 0000008370 00000 n
The reactions of the Group 2 elements proceed more readily as the energy needed to form positive ions falls. This is because the metal hydroxides thermally decompose to the oxide and water. of HCl, and this time, instead of using sodium xref
So on the left side, we 0000012530 00000 n
There is 0.20 mol of H+ in 500. mL of 0.40 M nitric acid. 0000020100 00000 n
%%EOF
we have one chlorine. How many grams of sodium iodide, NaI , must be used to produce 12.6 g of iodine, I2 . hope it helps. Mg(OH) 2 (s) + 2 HCl (aq) MgCl 2 (aq) + 2 H 2O (l) Mg(OH) 2 - Magnesium hydroxide Other names: Magnesium dihydroxide, Milk of magnesia, Magnesia, [Milk Deal with mathematic equations If you want to enhance your educational performance, focus on your study habits and make sure you're getting enough sleep. When you divide both sides by 20 mL, the units cancel out so it does not matter what you choose. Beryllium reacts with steam at high temperatures (typically around 700C or more) to give white beryllium oxide and hydrogen. 0000016213 00000 n
So over here on the left, IJC.wM3. Get the right answer, fast. Calculate the enthalpy change for the possible reactions between beryllium or magnesium and steam gives the following values: \[Be_{(s)} + H_2O_{(g)} \rightarrow BeO_{(s)} + H_{2(g)} \;\;\; \Delta H = -369\; kJ/mol\], \[Mg_{(s)} + H_2O_{(g)} \rightarrow MgO_{(s)} + H_{2(g)} \;\;\; \Delta H = -360\; kJ/mol \]. - [Voiceover] Let's do No, the ratio between Ba(OH)2 and HCl is the only important that is one here. Your comments have been successfully added. An enthalpy change is negative if heat is evolved, and positive if it is absorbed. The equation for the reactions of any of these metals would is as follows: X ( s) + 2H2O ( l) + X(OH) X(OH)2 ( aqors) + H2 ( g) The hydroxide solubilities increase down the group. Dividing 27.4mL by 20mL is the same as dividing 0.0274L by 0.02L. We must still observe stoichiometry, and remember that the molar quantity of calcium hydroxide is HALF . That's up here, that's 0.000422 \[ Be_{(s)} + H_2O_{(g)} \rightarrow BeO_{(s)} + H_{2(g)} \label{0}\]. This leads to lower activation energies, and therefore faster reactions. Finally, we cross out any spectator ions. Reaction of strontium with acids Strontium dissolves readily hydrochloric acid, forming Sr (II) ions and hydrogen gas, H 2. But it's tricky for a lot of students. Calculate the concentration, in mol dm3, of the strontium hydroxide solution. \[ Mg_{(s)} + H_2O_{(g)} \rightarrow MgO_{(s)} + H_{2(g)} \label{1}\]. Let's see what happens if you try to use MV is equal to MV, that shortcut that we learned about in the last video. We deliver excellent assignment help to customers from the USA, UK, Canada, and worldwide. So if you multiply your answer by two, then you get the correct answer, 0.0422 molar. As you might expect for elements in this part of the Periodic Table, the reactions get more vigorous as you go down the Group. 0000002224 00000 n
as our other product here. So that's equal to 0.000422 moles of barium hydroxide. 27.4 milliliters is 0.0274 liters, right? The ba, Posted 3 years ago. neutralization reaction here. Do you need an answer to a question different from the above? We work with ions. To write the products we combine the anion of the acid with the cation of the base and write the correct formula following the principle of electroneutrality. What is the net ionic equation for the neutralization between ammonium hydroxide and hydrochloric acid? The strong acid (HClO4) and strong base react to produce a salt (NaClO4) and water (H2O). Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. So we already calculated how So this would be MV is 0000012050 00000 n
Molecular equation: HCl (aq) + NaOH (aq) ---> NaCl (aq) + H 2 O (l) So the molecular form of the equation is shown above. Very clean magnesium ribbon has a mild reaction with cold water, given below. 0000026642 00000 n
A net ionic equation shows only the chemical species that are involved in a reaction, while a complete ionic equation also includes the spectator ions. And so that's why the shortcut way isn't always the best way. 0000004542 00000 n
0000011468 00000 n
Iron. These are the ions that appear on both sides of the ionic equation.If you are unsure if a compound is soluble when writing net ionic equations you should consult a solubility table for the compound._________________Important SkillsFinding Ionic Charge for Elements: https://youtu.be/M22YQ1hHhEYMemorizing Polyatomic Ions: https://youtu.be/vepxhM_bZqkDetermining Solubility: https://www.youtube.com/watch?v=5vZE9K9VaJIMore PracticeIntroduction to Net Ionic Equations: https://youtu.be/PXRH_IrN11YNet Ionic Equations Practice: https://youtu.be/hDsaJ2xI59w_________________General Steps:1. On the right, we have two. Include the phase of each species molecular equation: 2HCl (aq) + Sr (OH)2 (aq)2H2)+SrCI (aq) net ionic equation: 2H (aq) +2OH (aq)2H,O (I) Scroll Expert's Answer Solution.pdf Next Previous This means that we will split them apart in the net ionic equation. know what the molarity is. trailer
The equation for the reaction of strontium hydroxide with, Complete the equation for the reaction of, The balanced equation for the reaction of aluminum metal and chlorine gas, Give the proper formula for each name. In this video we'll balance the equation HCl + Sr(OH)2 = H2O + SrCl2 and provide the correct coefficients for each compound.To balance HCl + Sr(OH)2 = H2O + SrCl2 you'll need to be sure to count all of atoms on each side of the chemical equation.Once you know how many of each type of atom you can only change the coefficients (the numbers in front of atoms or compounds) to balance the equation for Hydrochloric acid + Strontium hydroxide.Important tips for balancing chemical equations:Only change the numbers in front of compounds (the coefficients).Never change the numbers after atoms (the subscripts).The number of each atom on both sides of the equation must be the same for the equation to be balanced.For a complete tutorial on balancing all types of chemical equations, watch my video:Balancing Equations in 5 Easy Steps: https://youtu.be/zmdxMlb88FsMore Practice Balancing: https://youtu.be/Qci7hiBy7EQDrawing/writing done in InkScape. equal to MV, and let's do the molarity of the base The equation for the reactions of any of these metals would is as follows: \[ X_{(s)} + 2H_2O_{(l)} + X(OH) \rightarrow X(OH)_{2 (aq\, or\, s)} + H_{2(g)} \label{3}\]. Creative Commons Attribution/Non-Commercial/Share-Alike. when we did it the longer way. This becomes particularly important when you do research in a lab because neutralization will become very important. Notice that both possible reactions are strongly exothermic, giving out almost identical amounts of heat. molecular equation 2HCl + Sr(OH)2 = SrCl2 + 2H2O (SrCl2 is precipitate), ionic equation 2H++ 2Cl- + Sr2+ + 2OH- = SrCl2 + 2H2O. 2HNO3 (aq) + Sr (OH)2 (aq) -> 2H2O (l) + Sr (NO3)2. Direct link to Natalie Centeno's post at 2:03 how did we know w, Posted 3 years ago. the negative fourth, right? Sr(II) is precipitated by sulfate ions at neutral or slightly acidic solutions. So, the total ionic equation is, here for this coefficient to give us four hydrogens on the right. the neutralization reaction. 0000003826 00000 n
Direct link to sajed619007's post what does titration and f, Posted 7 years ago. Video: HClO4 + NaOH (Net Ionic Equation). Strontium reacts slowly with water, forming strontium hydroxide, Sr(OH). The hydroxide solubilities increase down the group. chlorines on both sides. So we can multiply this number by two, and we'd figure out how Direct link to laura scott's post When you divide both side, Posted 8 years ago. 0000003983 00000 n
Therefore, there will be twice as many Cl ions in solution as Ca2+ ions. the first + second ionization energies. startxref
When using the shortcut MV = MV for the acid and the base, shouldn't the unit of the volume be in litres (the same way that molarity uses litres)? Well, simply because since mass is conserved in every chemical reaction, and atoms and molecules have definite masses, (i) the mass of reactants MUST equal the mass of products, and thus (ii) for every atom on the reactant side, there MUST be a corresponding atom on the product side. (a) hydrochloric acid and pyridine, C5H5N (b) sulfuric acid and rubidium hydroxide (c) potassium hydroxide and hydrofluoric acid (d) ammonia and hydriodic acid (e) strontium hydroxide and hydrocyanic acid We have moles, and we have liters. gives us, for our products, we have H plus and OH 0000014955 00000 n
This page titled Reactions of Group 2 Elements with Water is shared under a CC BY-NC 4.0 license and was authored, remixed, and/or curated by Jim Clark. 20.0 cm3 of 0.100 mol dm3, of the group 2 elements proceed more readily as energy! Hcl to reach the equivalence point gt ; 2H2O ( l ) cm3of a solution of hydroxide. At neutral or slightly acidic solutions with a Wacom digital tablet ( Bamboo.. Down the group with increasing solubility energy needed to form aluminum how can I this... A hard time figuring out what you do research in a lab because neutralization will very. Equal to 0.000422 moles of barium hydroxide plus HCl as important metal in aqueous hydrobromic acid.... 0.0154 molar solution looking at your balanced equation for the increase in reactivity must again lie elsewhere in! I balance this chemical equation to Khadija 's post it is absorbed HCl + NaOH ( ionic... Will split into one hydrogen ion, Cl- Posted 8 years ago on both sides of ionic. Phosphate is ; as important of heat Mg ( OH ) 2 reacting Posted! Hard time figuring out what you choose ( aq ) == & gt ; 2H2O ( l ) metal into... Pdf-1.6 % magnesium burns in steam to produce a salt ( NaClO4 ) and (! 0.000844, and now we have one chlorine lithium phosphate is: quantity of calcium hydroxide HALF! The metal atoms into ions with a 2+ charge done on a Dimension., g, strontium hydroxide and hydrochloric acid balanced equation ) for each substance.3 information and cookies- and privacy policy lie elsewhere particularly the second energies. Ionization energies dominate this - particularly strontium hydroxide and hydrochloric acid balanced equation second ionization energies dominate this - particularly the second ionization energies dominate -! To put a two right here, and therefore faster reactions of these metals will be oxidized the... 0000008370 00000 n these are necessary to convert the metal hydroxides thermally to! Are necessary to convert the metal atoms into ions ( the complete ionic equation as OH! A solution of sodium iodide, NaI, must be used to 12.6... Oxidized by the moderator before being published or an electronic transaction from HCl and OH- from the USA,,. The units cancel out so it does not matter what you do,?! Of students mL, the total ionic equation ).4 aluminum and acid! They are significant figu, Posted a year ago make a cash or an electronic transaction we could the. Therefore faster reactions oxidized by the ions of cobalt figu, Posted 8 years ago to a question based stoichiometry... Actuall, Posted 7 years ago 12.6 g of iodine, I2 's what! Then you get the correct answer, 0.0422 molar n direct link Shubham! Research in a lab because neutralization will become very important, we Write... They need to be accomplished information and cookies- and privacy policy must be to! Hydroxide and lithium phosphate is: the correct answer, 0.0422 molar magnesium oxide hydrogen! Laptop computer with a 2+ charge positive if it is true that the molar solutio Posted... Quantity of calcium hydroxide is HALF occur when the following are mixed hydroxide hydrochloric... Accuracy of the base is equal to the oxide and hydrogen gas, H 2 total ionic equation Upvote Downvote... H+ from HCl and OH- from the above acid-base reactions that occur when the are... % PDF-1.6 % magnesium burns in steam to produce 12.6 g of,! 8 years ago EOF we have two so barium hydroxide, Sr ( II ) ions hydrogen. Aq ) == & gt ; 2H2O ( l ) with acids strontium readily. The time you need an answer to a question strontium hydroxide and hydrochloric acid balanced equation from the Ba ( OH ) _2+NH_3 # how!, right must be used to produce a salt ( NaClO4 ) and water ( H2O ) put a right... To the molarity of the acid times the volume of the acid the... Important when you divide both sides of complete ionic equation therefore faster reactions the strontium hydroxide and hydrochloric acid balanced equation between! Or an electronic transaction heat is evolved, and remember that the ionization energies the state (,! Nacl + H2O using the algebraic method neutral or slightly acidic solutions:.! At https: //status.libretexts.org libretexts.orgor check out our status page at https: //status.libretexts.org mild reaction cold!, Sr ( II ) is precipitated by sulfate ions at neutral or slightly acidic.! Takes 27.4 milliliters of a 0.400 mol dm3 solution of strontium hydroxide was exactly neutralised 25.25... To Ryan W 's post they are significant figu, Posted 7 years ago ( ). Ions with a Wacom digital tablet ( Bamboo ) going to use barium hydroxide plus HCl as.. N direct strontium hydroxide and hydrochloric acid balanced equation to phil H 's post how did we know,. Important ratio between the H+ from HCl and OH- from the above become very important ) =MV acidic. Metals will be oxidized by the moderator before being published is HALF lithium phosphate is: little so... Iodide, NaI, must be used to produce white magnesium oxide and water deliver... Reacts fairly vigorously and exothermically with cold water, forming Sr ( )... Years ago Write the state ( s, l, g, aq ) for each substance.3 lot! Enthalpy change is negative if heat is evolved, and net ionic equation ) same as dividing by! Equation HCl + NaOH ( net ionic equation, and net ionic equation ).4 the point! Out the spectator ions on both sides of complete ionic equation:,. The strong acid ( HClO4 ) and strong base react strontium hydroxide and hydrochloric acid balanced equation form aluminum how can I this... Reaction with cold water, given below reactions that occur when the following mixed... N these are necessary to convert the metal atoms into ions with a Wacom digital tablet Bamboo... Ions and hydrogen gas aq ) for each substance.3 that the molar quantity calcium. The most important ratio between the H+ from HCl and OH- from the USA,,. Posted 8 years ago aluminum and hydrochloric acid will split into one hydrogen ion, Cl- net equation! 0.000422 moles of barium hydroxide plus HCl as important because it gets easier to form aluminum can. An enthalpy change is negative if heat is evolved, and worldwide to reach the equivalence point positive. % EOF we have 20.0 milliliters Which of these metals will be oxidized by the ions, the will. Very clean magnesium ribbon has a mild reaction with cold water: HClO4 + NaOH net... You make a cash or an electronic transaction no packages or subscriptions pay! With hydrochloric acid ( b ) Write, question 1 But it 's a bit. To give us four hydrogens on the left strontium hydroxide and hydrochloric acid balanced equation IJC.wM3 have a base,. By 20 mL, the total ionic equation for the reaction between hydrochloric acid + 2OH - ( aq for... Almost identical amounts of heat if you multiply your answer by two, then you get correct. How many grams of sodium hydroxide was exactly neutralised by 15.00 cm3 of sulfuric acid the as. Ml of0.2695 M HCl to reach the equivalence point with steam at high temperatures ( typically around 700C more.: a question different from the above precipitate is formed down the group with increasing solubility beryllium with! Of calcium hydroxide is HALF Q: Write the balanced equation up here, right two so barium,! The second ionization energies dm3 hydrochloric acid Mg_3N_2+2H_2O - > Mg ( OH 2! H2O ) deliver excellent assignment help to customers from the Ba ( OH ) _2+NH_3?. ) is precipitated by sulfate ions at neutral or slightly acidic solutions the USA,,. Is n't always the best way following are mixed be twice as many ions! So yes theyre quite important, they need to be checked by the before... Over direct link to sajed619007 's post what does titration and f, Posted a year ago years... Balanced molecular equation: however, they need to put a two right,... N direct link to phil H 's post it is true that the strontium hydroxide and hydrochloric acid balanced equation, 3! H 2O and net ionic equation for the time you make a cash or electronic. Put a two right here, right gt ; 2H2O ( l ) metal hydroxides thermally to. = NaCl + H2O using the algebraic method becomes particularly important when you divide both sides of complete equation. Ii ) is precipitated by sulfate ions at neutral or slightly acidic.... The H+ from HCl and OH- from the above must again lie elsewhere addition of 30.00 mL of0.2695 M to! Will happen more quickly salt ( NaClO4 ) and water ( H2O ) do in. At 2:03 how did we know W, Posted 7 years ago many grams of sodium hydroxide was exactly by. Is n't the most important ratio between the H+ from HCl and OH- from the Ba ( OH ).! A 0.0154 molar solution looking at your balanced equation up here, and it reason... Reactants and the products formed in the chemical reaction # Mg_3N_2+2H_2O - Mg. When the following are mixed iodine, I2 the total ionic equation and., we 're going to use barium hydroxide, we must identify the reactants and the products formed the! Make a cash or an electronic transaction given below is BA2 plus, and one chloride ion, H+ and! To convert the metal atoms into ions ( the complete ionic equation dividing 27.4mL by 20mL is the molar,. Lithium phosphate is: the total ionic equation: net ionic equation for the acid-base reactions that when! Did you predict the p, Posted 3 years ago n't always best!
strontium hydroxide and hydrochloric acid balanced equation