The volume of the water needed to dissol...

The volume of the water needed to dissolve `1 g` of `BaSO_(4) (K_(SP)=1.1xx10^(-10))` at `25^(@) C` is:

820 litre

410 litre

205 litre

none of these

Text Solution

Verified by Experts

The correct Answer is:

Solubility of `BaSO_(4)=sqrt(K_(SP))`
`=sqrt(1.1xx10^(-10))=1.05xx10^(-5)M`
`:. wt.of BaSO_(4)=1.05xx10^(-5)xx233`
or `w_(BaSO_(4))=244.37xx10^(-5) g//litre`
`:.` Volume of water needed to dissolve 1 g
`BaSO_(4)=(1)/(2.44.37xx10^(-5))=410 litre`

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