35.8 of a mixture of potassium trioxochlorate (v) were heated to a constant mass. if the residual weighed 24.5 what was the percentage mass of the potassium chloride in the mixture (k=39 (l= 3,5,6=16)kcl is not decomposed on heating

Question

35.8 of a mixture of potassium trioxochlorate (v) were heated to a constant mass. if the residual weighed 24.5 what was the percentage mass of the potassium chloride in the mixture  (k=39 (l= 3,5,6=16)kcl is not decomposed on heating
solve the calculation

DrBob222 · Answer

38.5 what? grams, tons, pounds. ? A mixture of what? I am assuming it is a mixture of 38.5 g KClO3 and KCl and the question is how much KCl is in the mixture initially.