1.

The volume of water needed to dissolve 1g of BaSO_4 (K_(sp)=1.1 xx 10^(-10)) at 25^(@) Cis { M. W of BaSO_4 is 233}

Answer»

820 L
430 L
205L
NONE of these

SOLUTION :` KsP= S^(2)= 1.1 XX 10 ^(-10), S ~~ 10^(-5)"mol" // LIT`
` 1 gm =(1)/(233)` moles
` therefore ` Volume of water ` = (1//233)/( 10 ^(-5))= 430 L`


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