# Na2CO3 + 2 HNO3 —> 2 NaNO3 + H2O + CO2 (g)?

What are both the ionic and net ionic equations for this reaction.

Could you also give me both to these equations:

.. Ca(OH)2 (aq) + Na2CO3 (aq) —> CaCO3 —> (s) + 2 NaOH (aq)

and.. KOH + HBr —> KBr + H2O

Thank you very much!

### 4 Answers

• 2 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

Ca2+ (aq)+ 2OH- (aq)+ 2 Na+(aq) + CO32-(aq)

>> CaCO3 (s)+ 2 Na+ (aq)+ 2 OH- (aq)

net ionic

Ca2+ + CO32- >> CaCO3

K+ (aq) + OH- (aq) + H+ (aq) + Br- (aq)

>> K+ (aq) + Br- (aq) +H2O (l)

net ionic

H+ + OH- >> H2O

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RE:

Na2CO3 + 2 HNO3 —> 2 NaNO3 + H2O + CO2 (g)?

What are both the ionic and net ionic equations for this reaction.

Could you also give me both to these equations:

.. Ca(OH)2 (aq) + Na2CO3 (aq) —> CaCO3 —> (s) + 2 NaOH (aq)

and.. KOH + HBr —> KBr + H2O

Thank you very much!

• “net ionic equation” is an achedemic term I haven’t heard since I attended college over 20 years ago. However….

Na2CO3 -> 2Na(+) + CO3(-2)

2HNO3 -> 2NO3(-) + 2H(+)

This is a reaction between a strong acid and the salt of a weak base. The product is salt and a weak acid. The weak acid decomposes into H2O and CO2:

H2CO3 -> H2O + CO2

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Ca(OH)2 -> Ca(+2) + 2OH(-)

Na2CO3 -> 2Na(+) + CO3(-2)

A hydroxide reacts with a carbonate forming a strong base and an insoluable carbonate

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KOH -> K(+) + OH(-)

HBr -> H(+) + Br(-)

Strong base reacts with strong acid forming salt and water

• Na2co3 Hno3