4.4 Water vapor pressure at different temperatures has the following values:
Temperature, С 80 85 90 95 100 105
Pressure, kPa 47.3 57.8 70.1 84.5 101.3 120.8
Plot the vapor pressure of a solution containing 6 g of urea in 180 g of water versus temperature. Using the resulting curve, determine at what temperature the solution will boil. if the atmospheric pressure is 101.3 kPa. What is the vapor pressure of the solution at 98°C?

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