Question

what mass of oxygen, o2, will contain the same number of molecules are:-(a)2.5 moles of chlorine, cl2? (b) 6.4g of sulphuric dioxide, so2? (c)6.023×10^22 molecules of water, h2o? (atomic masses:o=16, cl=35.5, s=32, h=1).​

Answer 1

Answer:

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Answer 2

Answer:

The mass of 1 mole of oxygen atoms = 16 g

Thus, the mass of 0.2 mole of oxygen atoms = 16 × 0.2 = 3.2 g

b) The mass of 1 mole of water molecules = 18 g

Thus, the mass of 0.5 mole of water molecules = 18 × 0.5 = 9.0 g

Explanation:

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