Tb = Kb x m
molality = (W/MW) (1000 / mass of solvent)
molality = (20 / 60.06) (1000 / 200)
molality = 1.66 m
Tb = 124.3 - 121.3 = 3.0
3.0 = Kb x 1.66
Kb = 1.81 0C mol-1.Kg
A certain substance X condenses at a temperature of 121.3 °C. But if a 200. g...
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