Write a) molecular and b) net ionic equation for reactions in aqueous solution o

Question

Write a) molecular and b) net ionic equation for reactions in aqueous solution of each of the following.
1) sodium sulfite, Na2SO3 and nitric acid, HNO3
2) solid magnesium hydroxide, Mg(OH)2 with a solution of sulfuric acid, H2SO4
3) a solution of acetic acid, C2H3O2H with a solution of lithium hydroxide, LiOH
4) barium carbonate, BaCO3 and hydrogen chloride, HCl

Write a) molecular and b) net ionic equation for reactions in aqueous solution of each of the following.
1) sodium sulfite, Na2SO3 and nitric acid, HNO3
2) solid magnesium hydroxide, Mg(OH)2 with a solution of sulfuric acid, H2SO4
3) a solution of acetic acid, C2H3O2H with a solution of lithium hydroxide, LiOH
4) barium carbonate, BaCO3 and hydrogen chloride, HCl


1) sodium sulfite, Na2SO3 and nitric acid, HNO3
2) solid magnesium hydroxide, Mg(OH)2 with a solution of sulfuric acid, H2SO4
3) a solution of acetic acid, C2H3O2H with a solution of lithium hydroxide, LiOH
4) barium carbonate, BaCO3 and hydrogen chloride, HCl

Explanation / Answer

1st eqn is molecular reaction in all

1. Na2CO3 + 2 HNO3 ---> 2 NaNO3 + H2O + CO2 (g)

Na+ (aq)+ CO32-(aq) + 2H+(aq) + 2 NO3- ( aq) --------> 2Na+ (aq)+ 2 NO3- (aq)+ H2O (l)+ CO2 (g)

net ionic :
CO32- + 2 H+ >> H2O + CO2

2. Mg(OH)2 + 2HNO3 --> Mg(NO3)2 + 2H2O

[Mg+2] + 2 [OH-] + 2 [H+] + 2 [NO3-] -->[Mg+2] + 2 [NO3-] + 2 H2O
Net ionic = 2 [H+] + 2 [OH-] --> 2 H2O

3. HC2H3O2 (aq) + LiOH (aq) --> LiC2H3O2 (aq) + H2O (l)

H+(aq) + C2H3O2-(aq) + Li+(aq) + OH-(aq) --> Li+(aq) + C2H3O2-(aq) + H2O(l)

net ionic = H^+(aq) + OH^-^(aq) ---> H2O(l) -

4. aCO3 + 2HCl > BaCl2 + H2O + CO2 L

BaCO3(s) + 2H+ + 2Cl- > Ba2+ + 2Cl1- + H2O(l) + CO2(g)

Net Ionic

BaCO3(s) + 2H+(aq) > Ba2+(aq) + H2O(l) + CO2(g) - NET IONIC

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