A mixture of FeO and Fe3O4 when heated in air to constant weight gains – InterviewSolution

1.	A mixture of FeO and Fe3O4 when heated in air to constant weight gains 5% in its weight. The % of FeO in the sample is:
Answer» A mixture of $F e O$ and $F e_{3} O_{4}$ when heated in air to constant weight gains $5 %$ in its weight. The $%$ of $F e O$ in the sample is:

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