Y4antkandaSHU Y4antkandaSHU

11-04-2016
Chemistry

Answered

Which of the following compounds, when added to water, is most likely to increase the solubility of HgS?

AKNO3
BNa2SO4
CKCl

Verified Answer :

aseay24 aseay24

12-04-2016

CKCl- That is the answer for sure, but I dont want to explain

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sebassandin sebassandin

21-11-2019

Answer:

B. \(Na_2SO_4\)

Explanation:

Hello,

The solubility of HgS is increased by adding \(Na_2SO_4\) due to common ion effect which consists on the effect that the higher solubility of \(Na_2SO_4\) has over the HgS as the sulfur-based ions modify the solubility product. In such a way, by adding the sulfate, the equilibrium will be shifted rightwards, therefore the solubility is increased.

Best regards.

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