A 1.00 liter solution contains 0.49 moles hypochlorous acid and 0.38 moles potas

Question

A 1.00 liter solution contains 0.49 moles hypochlorous acid and 0.38 moles potassium hypochlorite .

If 0.19 moles of hydrochloric 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 hydrochloric acid.)

_______TrueFalseA. The number of moles of HClO will decrease.

_______TrueFalseB. The number of moles of ClO- will increase.

_______TrueFalseC. The equilibrium concentration of H3O+ will increase.

_______TrueFalseD. The pH will decrease.

_______TrueFalseE. The ratio of [HClO] / [ClO-] will increase.

Explanation / Answer

up on addition of HCl following reaction takes place.

H+ + ClO- ---------> HClO

so HOCl increase up on addition of HCl.

option A = True

option B = false

option C = true

option D = true

option E = true

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