solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in enough water (m.w. = 18.02 g mol–1) to result in exactly 1 L of solution at 25 °C. Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1). The ebullioscopic constant (Kb) for water is 0.513 °C m–1. The cryoscopic constant (Kf) for water is 1.86 °C m–1. The vapor pressure of pure water is 0.0313 atm. Determine the boiling point of the solution(in C to 2 decimal places)

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in enough water (m.w. = 18.02 g mol–1) to result in exactly 1 L of solution at 25 °C. Assume the density of the solution is that of pure water (dsolution = 1.000 g mL–1).

  • The ebullioscopic constant (Kb) for water is 0.513 °C m–1.
  • The cryoscopic constant (Kf) for water is 1.86 °C m–1.
  • The vapor pressure of pure water is 0.0313 atm.

Determine the boiling point of the solution(in C to 2 decimal places)

Expert Solution
Step 1

Given :

Mass of solute = 40g

Density = 1.000g/ml

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