What is the percent composition of calcium chlorate?

Answer 1

Calcium chlorate = Ca(ClO3)2

Ca = 40.1 g/mol

Cl = 35.5 g/mol x 2 = 71 g

O = 16 g/mol x 6 = 96 g

Total for 1 mole = 207 g

%Ca = 40/207 (x100%) = 19.3%

%Cl = 71/207 (x100%) = 34.3%

%O = 96/207 (x100%) = 46.4%