Y4antkandaSHU Y4antkandaSHU

11-04-2016
Chemistry

contestada

Which of the following compounds, when added to water, is most likely to increase the solubility of HgS?
A. KNO3
B. Na2SO4
C. KCl

Respuesta :

aseay24 aseay24

13-04-2016

C. KCl- That is the answer for sure, but I dont want to explain

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sebassandin sebassandin

22-11-2019

Answer:

B. [tex]Na_2SO_4[/tex]

Explanation:

Hello,

The solubility of HgS is increased by adding [tex]Na_2SO_4[/tex] due to common ion effect which consists on the effect that the higher solubility of [tex]Na_2SO_4[/tex] 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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