February 28, 2017

Homework Help: Chemistry-help

Posted by candy on Friday, April 10, 2009 at 9:57am.

I am rather confused about writing ionic equations.

1) SOLID sodium carbonate reacts with hydrochloric acid to give NaCl,CO2 & H2O.
Is the ionic equation
CO32-(aq)+2H+(aq)-> CO2(g) + H2O(l)?
Do I consider SOLID sodium carbonate to be in aqueous state since it is a soluble ionic compound? Or do I have to write Na2CO3(s) on the left hand side of the equation?

2) If I use CaCO3 instead, I will have to write CaCO3(s) on the left hand side of the ionic equation?

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