Question

Copper sulphate reacts with sodium hydroxide to form blue precipitate of copper hydroxide and sodium sulphate. In an experiment 8.0 g of sodium hydroxide reacted with 15.95 g of copper sulphate and 9.75 g of copper hydroxide. Which law of chemical combination is illustrated by this data?

Answer 1

law of conservation of mass and definite proportion.

Answer 2

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