Question

1.5 g of cupric sulphide was dissolved in nitric acid and the copper was subsequently

precipitated electrolytically; the metal weighed 1 g. In another experiment, 2.75 g of
cupric sulphide was heated in a current of hydrogen and 2.29 g of cuprous sulphide was
obtained. Show that these results are in accordance with the law of multiple proportions.

Answer 1

Answer:

which class is this

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