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Question 600011
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Mole Concept and Stoichiometry: Percentage Composition MCQ

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Percentage CompositionEasyQuestion 600011

Question

The percentage of oxygen in H₂SO₄ (molar mass 98 g/mol) is:
  1. A
    32.65%
  2. B
    65.31%
    Correct
  3. C
    16.33%
  4. D
    49%

Correct answer

65.31%

Explanation

%O = (4×16)/98 × 100 = 64/98 × 100 ≈ 65.31%.

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