Question

Calculate the no. Of molecules of oxygen in 0.2 mole of oxygen

Answer 1

Answer:

∴ 0.2 mole of oxygen atoms = 16 × 0.2 = 3.2 g (b) 1 mole of water molecules = 18 g

∴ 0.5 mole of water molecules = 18 × 0.5 = 9 g 10.

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