A 1.00 liter solution contains 0.48 moles nitrous acid and 0.37 moles sodium nit

Question

A 1.00 liter solution contains 0.48 moles nitrous acid and 0.37 moles sodium nitrite .

If 0.18 moles of hydroiodic 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 hydroiodic acid.)

_______TrueFalseA. The number of moles of HNO2 will remain the same.

_______TrueFalseB. The number of moles of NO2- will decrease.

_______TrueFalseC. The equilibrium concentration of H3O+ will decrease.

_______TrueFalseD. The pH will remain the same.

_______TrueFalseE. The ratio of [HNO2] / [NO2-] will decrease.

Explanation / Answer

A: False

B: True

C: false

D: false

E:False

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