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the composition by mass of hydrated compound was found to be zinc 22.7%, sulphur 11.1%,oxygen22.3%,water...

the composition by mass of hydrated compound was found to be zinc 22.7%, sulphur 11.1%,oxygen22.3%,water of crystallization 43.9%. calculate the formula of the compound (zn=65, s=32, o=16, h=1).?
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