find the empirical formulae of a compound with composition 46.7% _其他解答

find the empirical formulae of a compound with composition 46.7% silicon and 53.3% oxygen by mass

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解答

SiO2
设Si（x）O（y）
28*x：16*y=46.7：53.3
求得x：y=1:2
得SiO2