Question

Weight of oxygen in one mole each of Fe2O3 and FeO is in the simple ratio of ?

Answer 1

Weight of oxygen in one mole each of Fe₂O₃ and FeO is in the simple ratio of 3 : 1

Explanation:

One mole of Fe₂O₃ means 160 gram of Fe₂O₃

In 160 gram of Fe₂O₃ , weight of Oxygen = 16 × 3 = 48

Also, one mole of FeO means 72 gram of FeO

In 72 gram of FeO, weight of Oxygen = 16

Thus, the ratio of weight of Oxygen in Fe₂O₃  and FeO

= 48/16

= 3/1

= 3 : 1

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Q: Equal mass of Fe2O3 and FeO has the mass of oxygen in the ratio:

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