Question

REVIEW QUESTIONS
1. In an experiment, 1.2969 g of pure copper was dissolved in nitric acid (HNO.). Excess of nitric
acid was evaporated and the residue was ignited to a constant mass. The mass of copper oxide
left was 1.6826 g. In the second experiment, 1.1475 g of copper oxide (CuO), on being heated
in a current of hydrogen gave 0.8832 g of the metal. Show that these results illustrate the
Law of Definite Proportion.​

Answer 1

Answer:

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