Reyna M.

asked • 10/25/17

A 1.00 liter solution contains 0.42 moles nitrous acid and 0.32 moles sodium nitrite .

If 0.16 moles of nitric 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 nitric acid.)
A. The number of moles of HNO2 will decrease.

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

C. The equilibrium concentration of H3O+ will increase.

D. The pH will decrease.

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

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