試題詳解

12.A solution is prepared by dissolving 17.75 g sulfuric acid, H₂SO₄, in enough water to make 100.0 mL of solution. If the density of the solution is 1.1094 g/mL, what is the molality?
(A) 0.1775m H₂SO₄
(B) 0.1810 m H₂SO₄ 
(C) 1.810 m H₂SO₄ 
(D) 1.940 m H₂SO₄