Question

One litre of saturated solution of CaCO, is
evaporated to dryness, then 7.0 g of residue is left.
The solubility product for Caco, is:-
(1) 4.9 x 10-3 (2) 4.9 x 10-5
(3) 4.9 x 10-9
(4) 4.9 x 10-7​

Answer 1

HEY MATE
I THINK (1) IS THE ANS.