1.

The solubility of BaSO_4in water is 2.42 xx 10^(-3) gL^(-1)at 298 K. The value of its solubility product (Ksp) will be (Given molar mass of BaSO_4 = 233 g "mol"^(-1))

Answer»

`1.08 xx 10^(-8) "mol"^2 L^(-2)`
`1.08 xx 10^(-10) "mol"^2 L^(-2)`
`1.08 xx 10^(-14) "mol"^2 L^(-2)`
`1.08 xx 10^(-12) "mol"^2 L^(-2)`

Solution :SOLUBILITY of `BaSO_4 ("mol" L^(-1) ) = (2.42 xx 10^(-3))/(233) = S`
`K_(sp) " of " BaSO_4 = (s)^2`
` = ((2.42 xx 10^(-3))^2)/(233))`
` = 1.078 xx 10^(-10) "mol"^2 L^(-2)`
`1.08 xx 10^(-10) "mol"^2 L`


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