Chemistry, 05.09.2019 16:10 alyssatamayo641

When 1.375 g of copper (ii) oxide is reduced on heating in a current of hydrogen, the weight of copper remaining after the reaction is complete is 1.098 g. what is the percent composition of oxygen?

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When 1.375 g of copper (ii) oxide is reduced on heating in a current of hydrogen, the weight of copp...