15.0g of potassium trioxochlorate(v) was crushed and heated with about 0.1g of manganese(iv)oxide, calculate the mass of chloride that would be produced assuming the reaction was complete

Answer 1

For whatever it's worth, the correct IUPAC name for KClO3 is potassium chlorate.
..................2KClO3 ==> 2KCl + 3O2
mols KClO3 = g/molar mass = 15.0/122.5 = 0.122
2 mols KClO3 will produce 2 mols KCl; therefore, 0.122 mols KClO3 will produce 0.122 mols KCl. Convert to g. gKCl = mols KCl x molar mass KCl = ?