11. Which of the following actions more effectively drops the freezing point of water? (Mm NaCl = 58g/
mol, Mm sugar = 180g/mol, Mm of CaCl₂ = 111 g/
mol)
A) adding 10 g of NaCl to 500 g of water
B) adding 10 g of sugar to 500 g of water
C) adding 10 g of CaCl2 to 500 g of water
D) All will have same freezing point