To prepare 200 ml of 12% Mgcl2 solution we addm of solute.. 24 g of solute to 200 ml sol0.

To prepare 200 ml of 12% Mgcl2 solution we addm of solute:
12%=12g / 100ml ? / 200ml
a- 24g of solute to 1000ml solution
b- 22g of solute to 1000 ml sol
c- 24 g of solute to 200 ml sol
d- 22g of sol to 200ml sol.