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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:

A

280 litre

B

410 litre

C

205 litre

D

500 litre

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Verified by Experts

The correct Answer is:
b
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The solubility product of a soluble salt A_(x)B_(y) is given by: K_(SP)= [A^(y+)]^(x) [B^(x-)]^(y) . As soon as the product of concentration of A^(y+) and B^(x-) increases than its K_(SP) , the salt start precipitation. It may practically be noticed that AgCI is more soluble in water and its solublity decreases dramatically in 0.1M NaCI or 0.1M AgNO_(3) solution. It may therefore be conncluded that in presence of a common ion, the solubiolity of salt decreases. The volume of water neede to dissolve 1g BaSO_(4)(K_(SP)= 1xx10^(-10)) is:

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