Question

You need to dissolve cacl2 in water to make a mixture that is 35% calcium chlorode by mass. if the total mass of the mixture is 352.5 g what masses of cacl2 and water should be used

Answer 1

((mass solute)/(mass solution)) * 100% =35%
mass CaCl2=0.35*352.5=123.4 g CaCl2