Calculate the mass percentage composition of the elements in sulphuricr acid. [(H= 1, O = 16, S = 32)Atomic mass]

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Solution

Moleccular Wt of Sulphuric Acid ( $H_{2} S O_{4}$ ) = 98

% composition of Hydrogen = $\frac{2}{98} \times 100$ = 2.01 %

% composition of Oxygen = $\frac{64}{98} \times 100$ = 65.3 %

% composition of Sulphur= $\frac{32}{98} \times 100$ = 32.5 %

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(H = 1, N = 14, O_{s} = 16)

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