Question

0.5 moles of H2SO4 cantain X mole of oxygen atom Xmay be

Answer 1

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In H2SO4 there are four oxygen atoms. So, for every mole of H2SO4 there are 4 moles of 'O'. In half a mole of H2SO4 there will be 2 moles of 'O'. 2 X 6.023 X 10^23 atoms = 12.046 X 10^23 atoms