Question

2. 2.4 g of copper powder on heating gave 12.0g of
copper oxide. In another experiment copper oxide
contained 20% oxygen. Show that these results
illustrate law of constant composition.
[Hint : % of copper
Wt. of copper
x 100
Wt. of copper oxide
Wt. of oxygen
% of oxygen
Wt. of copper oxide *100]​

Answer 1

Answer:

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Explanation:

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