1.

The solubility of BaSO_4 in water is 0.00233 g per litre at 30^@C . The solubility of BaSO_4 in 0.1M (NH_4)_2SO_4 solution at the same temperature is :

Answer»

`10^(-5)` mol/lit
`10^(-6)` mol/lit
`10^(-8)` mol/lit
`10^(-9)` mol/lit

Answer :D


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