Question

(i) Express 9.8g of H2SO4 in moles (molar mass of H2SO4 =98 g/mol)
(ii) How many atoms of hydrogen present in 1 mole of water​

Answer 1

Answer:

1.    Moles in 9.8g of sulphuric acid = 0.1 mole.

2.   The second conversion factor reflects the number of atoms contained within each molecule. Two water molecules contain 4 hydrogen atoms and 2 oxygen atoms. A mole of water molecules contains 2 moles of hydrogen atoms and 1 mole of oxygen atoms.

Explanation:

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