1.

Establish a relationship between the solubility product and molar solubility for the following BaSO_4 (ii) Ag_2(CrO_4)

Answer»

SOLUTION :`BaSO_4(s) LEFTRIGHTARROW^(H_2O) Ba^(2+) (aq)+SO_4^(2-)(aq)`
`K_(sp)=[Ba^(2+)][SO_4^(2-)]`
`K_(sp)=s^2`
(II) `Ag_2CrO_4 leftrightarrow2Ag^+(aq)+CrO_4^(2-)(aq)`
`K_(sp)=[AG^+]^2[CrO_4^(2-)]`
`=(2s)^2 (s)`
`K_(sp)=4s^3`


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