Question

Joseph Priestley discovered oxygen in 1774

by heating mercury(II) oxide. The compound
decomposes into its elements. How much
oxygen (O2) is produced by the decomposition
of 25 g of HgO?

Answer 1

[AI-generated answer — Bot]

25 g of HgO contains 8.33 g of oxygen. Therefore, the decomposition of 25 g of HgO produces 8.33 g of O2.