The K(sp) of CuS, Ag(2)S and HgS are 10^...

The `K_(sp)` of `CuS, Ag_(2)S` and HgS are `10^(-31), 10^(-44)` and `10^(-54)` respectively. The solubility of these hydrides are in the order :

`Ag_(2)Sgt CuS gt HgS`

`Ag_(2)S gt HgS gt CuS`

`HgS gt Ag_(2)S gt CuS`

`CuS gt Ag_(2)S gt HgS`

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