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In the following equation HNO2 (aq) + H2O (l) ↔ H3O+ (aq) + NO2-(aq), 0.37 M of nitrous acid was found in the resulting aqueous solution. Which of the following expression is correct regarding the equilibrium molar concentration of the reactants and products?     HNO2 = 0.37-x; H2O = 0.37-x; H3O+ = 0.37+x , NO2- = 0.37+x     HNO2 = 0.37+x; H2O = 0.37+x; H3O+ = 0.37-x , NO2- = 0.37-x     HNO2 = 0.37-x; H3O+ = 0.37+x , NO2- = 0.37+x     HNO2 = 0.37-x; H3O+ = +x , NO2- = +x

In the following equation HNO2 (aq) + H2O (l) ↔ H3O+ (aq) + NO2-(aq), 0.37 M of nitrous acid was found in the resulting aqueous solution. Which of the following expression is correct regarding the equilibrium molar concentration of the reactants and products?     HNO2 = 0.37-x; H2O = 0.37-x; H3O+ = 0.37+x , NO2- = 0.37+x     HNO2 = 0.37+x; H2O = 0.37+x; H3O+ = 0.37-x , NO2- = 0.37-x     HNO2 = 0.37-x; H3O+ = 0.37+x , NO2- = 0.37+x     HNO2 = 0.37-x; H3O+ = +x , NO2- = +x

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter16: Solubility And Precipitation Equilibria
Section: Chapter Questions
Problem 70AP
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In the following equation HNO2 (aq) + H2O (l) ↔ H3O+ (aq) + NO2-(aq), 0.37 M of nitrous acid was found in the resulting aqueous solution. Which of the following expression is correct regarding the equilibrium molar concentration of the reactants and products?

   

HNO2 = 0.37-x; H2O = 0.37-x; H3O+ = 0.37+x , NO2- = 0.37+x
   

HNO2 = 0.37+x; H2O = 0.37+x; H3O+ = 0.37-x , NO2- = 0.37-x
   

HNO2 = 0.37-x; H3O+ = 0.37+x , NO2- = 0.37+x
   

HNO2 = 0.37-x; H3O+ = +x , NO2- = +x
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