1.

Calculate the percentage of (i) SO_(4)^(2-) (ii) H_(2)O in pure crystals of Molar salt, viz., FeSO_(4).(NH_(4))_(2)SO_(4).6H_(2)O.

Answer»


Solution :`"Mol. MASS of "FeSO_(4).(NH_(4))_(2)SO_(4).6H_(2)O=56+32+64+36+32+64+108=392`
`%" of "H_(2)O=(108)/(392)xx100=27.55%,%" of "SO_(4)^(2-)=(2(32+64))/(392)xx100=48.98%`


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