A solution contains 81 g of sucrose (C12H22O11), a nonelectrolyte, dissolved in 274 g of water. What is the boiling-point elevation?

Answer in units of degrees Celsius.

1 Answer
Al E.
Jan 16, 2018

Boiling point elevation is a colligative property of solutions. To be sure, its magnitude is directly proportional to the concentration of solute in solution. Consider,

#DeltaT_b = iK_bm#

Hence,

#DeltaT_b = 1 * (0.512°C)/(m) * (81g * (C_12H_22O_11)/(342g))/(274g * (kg)/(10^3g)) approx 0.44°C#

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