Question 33 • Chemistry
The molar mass of H₂SO₄ is about 98 g/mol, so 4.9 g is 4.9 ÷ 98 = 0.05 mol. The 50 g of water is 0.050 kg. Molality is 0.05 mol ÷ 0.050 kg = 1 m, so the correct choice is C, 1 m.
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