a mixture of ferrous sulphate and ferric sulphate what is the percentage of the iron by mass
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Answer:
37%
Explanation:
Mixture of Feso4 and Fe3(So4)2 has overall molecular weight as 454 (weight of so4 ion is 96 and Fe is 56)
Fe3 weight is 56 x 3 = 168
% = (168/454) x 100 = 37%
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