A solution contains Sr2+ and Ba2+ ions both at a concentration of 1.25 x 10 ^-3 molL-1.
A dilute solution of sulphuric acid is slowly added to this mixture of ions. (Assume any change in volume is insignificant.)
Ks (BaSO4) =1x10^-10 Ks (SrSO4)=3x10^-7



b
(I) calclute the concentration of SO42- ions when SrSO4 begins to precipitate.


(ii) calculate the concentration of Ba2+ when SrSO4 begins to precipitate

thanks(:

Show your attempt please. Thanks(: