Question

A metal oxide mo contains 40 oxygen the equivalent mass

Answer 1

The equivalent weight of a metal combining with oxygen is the mass that reacts with 8g of oxygen. We know that the compound contains 40% oxygen, so it must contain 60% metal. Suppose we had 100g of this compound; that would be 40g O and 60g M. The equivalent weight of the metal must be 12g.

Explanation:

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