When one litre of a saturated solution of `PbCl_(2)` (mol. Mass=278) is evaported, the residue is found to weight 2.78g. If `K_(sp)` of `PbCl_(2)` is represented as `yxx10^(-6)` then find the value of y.

What is the pH of a saturated solution of Cu(OH)_(2) ? (K_(sp)=2.6xx10^(-19)

What is the molarity of a saturated solution of CaCO_(3) ? (K_(sp)=2.8xx10^(-9))

The pH of a saturated solution of Mg(OH)_(2) is 10.6 . The K_(sp) value at this temperature is

If solubility of AgCl in 0.2 M solution of AgNO_(3) is represented as yxx10^(-10) then find the value of y. ("Given": K_(sp(AgCl))=10^(-10))

A solution is saturated in SrCO_(3) and SrF_(2) The CO_(3)^(2-) was found to be 10^(-3) mol/L. If the concentratuonof F^(-) in solution is represented as yxx10^(-2) M then what is the value of y ? ["Given" : K_(sp)(SrCO_(3))=2.5xx10^(-10),K_(sp)(SrF_(2))=10^(-10)]