1.00 liter solution contains 0.60 moles nitrous acid and 0.46 moles potassium nitrite . If 0.23 moles of perchloric acid are added to this system, indicate whether the following statements are true or false. (Assume that the volume does not change upon the addition of perchloric acid.)   A. The number of moles of HNO2 will increase.   B. The number of moles of NO2- will remain the same.   C. The equilibrium concentration of H3O+ will remain the same.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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A 1.00 liter solution contains 0.60 moles nitrous acid and 0.46 moles potassium nitrite .

If 0.23 moles of perchloric acid are added to this system, indicate whether the following statements are true or false.

(Assume that the volume does not change upon the addition of perchloric acid.)

 

A. The number of moles of HNO2 will increase.

 

B. The number of moles of NO2- will remain the same.

 

C. The equilibrium concentration of H3O+ will remain the same.

 

D. The pH will increase.

 

E. The ratio of [HNO2] / [NO2-] will increase.

 

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