When copper oxide is strongly heated with hydrogen it reduced to give metal. If the weight loss suffered by the oxide is 14.9g and weight of water formed is 16.78g, calculate the equivalent weight of oxygen.

When copper oxide is strongly heated with hydrogen it reduced to give

1.	When copper oxide is strongly heated with hydrogen it reduced to give metal. If the weight loss suffered by the oxide is 14.9g and weight of water formed is 16.78g, calculate the equivalent weight of oxygen.
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