1.

The molar solubility (in mol L^(-1)) of a sparingly soluble salt MX_4 is 'S'. The corresponding solubility product is 'K_(sp)' 'S' in terms of K_(sp)' is given by the reaction

Answer»

`S=((K_(SP)))/(128))^(1//4)`
`S=((K_(sp ))/(256 ))^(1//5)`
`S=(256 K_(sp))^(1//5)`
`S-(128K_(sp ))^(1//4)`

Solution :`MX_(4)hArrM^(4+)+ 4X^(-)`
` S ""S "" 4S `
`thereforeK_(sp )= [M^(4+) ][X^-]^4= S .(4S)^4 = 256 S^5`
` S= ((K_(sp ))/( 256 ))`


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