Determine the molal concentration of table sugar (C₁₂H₂₂O₁₁,342.3 g/mol)solution in water that has a freezing point of -2.10 $\circ$ C.K_f = 1.86 $\circ$ C/m for water.

Question

Quizplus · Accepted Answer

The freezing point depression formula is ΔTf = i * Kf * m. For sugar, i = 1. Convert -2.10°C to Kelvin, then solve for m: m = ΔTf / Kf = 2.10 / 1.86 = 1.13 m.

Determine the Molal Concentration of Table Sugar (C12H22O11,342 ∘\circ∘ CKf = 1

Determine the Molal Concentration of Table Sugar (C₁₂H₂₂O₁₁,342 $\circ$ CK_f = 1