An aqueous solution of 2.45% by weight H2SO4 has a specific gravity of 1.011. The composition expressed in normality is______________?
Correct answer: D. 0.5055
- A. 0.2500
- B. 0.2528
- C. 0.5000
- D. 0.5055
Explanation
One litre of solution weighs 1011 g, so it contains 0.0245 × 1011 = 24.77 g of H₂SO₄. Dividing by its equivalent weight, 49 g per equivalent, gives about 0.505 N.
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