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How much copper can be obtained from 100...

How much copper can be obtained from 100 g of `CuSO_4`

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Molecular mass of `CuSO_4=63.5+32+64=159.5` Mass of Cu present in `1.59.5 g CuSO_4=63.5/159.5xx100=39.8 g` Mass of Cu present in `100gCuSO_4=63.5/159.5xx100=39.8g`
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