The chemical equation for the decomposition of potassium chlorate is
2 KClO3 -> 2KCl + 3 O2
The molar masses of the elements in this equation are
K 39.1 g/mol, Cl 35.4 g/mol, O 16.0 g/mol
What mass in grams of potassium chloride is expected to be produced if 30.6 g of potassium chlorate decomposes?