Determine the precentage of water of crystallisation in pure sample of

1.	Determine the precentage of water of crystallisation in pure sample of green vitriol (FeSO_(4).7H_(2)O)
Answer» Solution :MOLECULAR mass of `FeSO_(4).7H_(2)O=56+32+64+126=278.0u` `:.` Percentage of WATER of CRYSTALLISATION `= ((126u))/((278u))xx100=45.32%`.

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