Question

Calculate the molar mass of magnesium chloride, CaCl 2.

Ca = 40.1g, Cl = 35.5g

Answer 1

Answer above is correct

Answer 2

Ca = 40.1 g

Cl = 35.5

So CaCl2

40.1 + 35.5×2

40.1 + 71

111.1 g