Answer to Question #163457 in General Chemistry for Donald Halliday

Question

Does 65 grams of calcium chloride stand for the mass number of calcium chloride ?

Answer 1

There exist one calcium atom and two chlorine atoms in the structure of calcium chloride.

The molecular mass of this drug is

Ca=1×40=40

Cl=2×35.5=71

CaCl_²=40+71= 111 g/mol

Hence, molecular formula of CaCl_² = 111 g/mol