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July 28, 2015

Homework Help: chem+Acid-Base Reactions

Posted by blank on Tuesday, July 25, 2006 at 1:50pm.

Hey..can you check this for me. It has to do with Predicting Acid-Base Reactions. So here it is:

I have to:
Predict the most likely acid base reaction(s) that occur.

For each reaction, state if the reaction is quantitative, or, if not, state whether products or reactants are favoured at equilibrium.

Here is the question:

1. 100 mL of 0.1 mol/L nitric acid reacts with 100 mL of 0.1 mol/L ammonium hydrogen carbonate

My answer:
Acid-base reaction: 2H3O+ + H2CO3- >>> H3CO3- + 2H2O
Quantitative: yes

Is this right and did I cover all points of the question? One more thing, what does quantitative mean in this situation?


Quantitative, to me, means that the reaction goes as predicted at essentially 100% yield; i.e., we get the amount of product which we predict we will get. As for your answer, ammonium hydrogen carbonate is NH4HCO3 but I don't see that anywhere in your equation. And I have no idea what H3CO3^- is. I, too, think the reaction is quantitative in that 100 mL of 0.1 M acid reacts with exactly 100 mL of 0.1 M base. You may want to try the equation again. May I suggest you write the molecular equation and not the ionic equation.

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