Concentration, Raoult's law, ideal/non-ideal solutions, colligative properties and van't Hoff factor.
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Q1 · Solutions · MEDIUM
A solution containing 3.0 g of a non-volatile solute in 100 g of water boils at 100.26°C at 1 atm. If Kb for water is 0.52 K·kg/mol, the molar mass of the solute is:
Q2 · Solutions · EASY
A solution is prepared by dissolving 9.0 g of glucose (C₆H₁₂O₆, molar mass = 180 g/mol) in 200 g of water. What is the molality of the solution?