Q 1220056811.     A mixture of `FeO` and `Fe_3O_4` When heated in air to constant weight agains `5%` in its weight. Find out composition of mixture.

A

`FeO = 21.06 %` , `Fe_3O_4 = 78.94 %`

B

`FeO = 11.06%` , `Fe_3O_4 = 88.94 %`

C

`FeO = 78.94 %` , `Fe_3O_4 = 21.06 %`

D

`FeO = 88.94%` , `Fe_3O_4 = 11.06 %`

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