1.

The molar solubility of Pbl_(2) in 0.2M Pb(NO_(3))_(2) solution in terms of solubility product, K_(sp)

Answer»

`(K_(sp)//0.2) ^(1//2)`
` (K_(sp)//0.4) ^(1//2)`
` (K_(sp)//0.8 )^(1//2)`
` (K_(sp)//0.8 )^(1//3)`

SOLUTION :` PbI_2 HARR Pb^(+2) +2I^(-) `
` Pbunderset( 0.2 M) ((NO_3) ) _2to Punderset( 0.2M) b^(+2) + 2NO_3^(-) `
` K_(sp)=(S+0.2) (2S)^(2) rArr S= (K_(sp)//0.8)^(1//2) `


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