Net Ionic Equations: Solutions & Examples

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The discussion focuses on writing net ionic equations for two chemical reactions involving nitric acid and sodium carbonate, as well as zinc metal. For the first reaction, the user identifies that both acids are weak, questioning whether the reaction occurs. In the second reaction, the user attempts to balance the equation but recognizes it as a redox reaction. Participants emphasize the importance of dissociating strong electrolytes into ions for accurate net ionic equations. Overall, the thread highlights the complexities of identifying reaction types and balancing chemical equations.
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Homework Statement


Write the net ionic equation for the following reactions:

1). Excess 6 M HNO2 is added to 1 M Na2CO3. Na2CO3 displays 2eq/mol

2). Nitric Acid is added to Zinc metal. The products are nitrogen monoxide and zinc ion.


Homework Equations


NA



The Attempt at a Solution



1). 2HNO2 + Na2CO3 --> 2NaNo2 + H2CO3

When I tried writing the total ionic equation, I noticed that both acids were weak acids. Does this reaction occur?

2). HNO3 + 3Zn --> 3Zn(NO3)2 + 4H2O + 2NO

This is as far as I got...

Any help is much appreciated. Thank you in advance.
 
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Carbonic acid immediately decomposes.

Some of these substances are completely dissociated, start writing them as ions.
 
I've figured them out. I was trying to do double displacement for the acid base reacton and realized that the second one is a REDOX reaction. Thanks!
 

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