The vapor pressure of an aqueous solution of urea, CH4N2O, is 291.2 mm Hg. The vapor...

Question

Question

The vapor pressure of an aqueous solution of urea, CH₄N₂O, is 291.2 mm Hg. The vapor

pressure of water at this temperature is 355.1 mm Hg. Calculate the mole fraction of urea in

this solution.

a. 0.180

b. 0.220

c. 0.500

d. 0.820

e. 1.22

please show all work

science chemistry

Answer 1

Answer #1

a. 0.180

water Awater water 291.2 mm Hg = 0.8201 355.1 mm Hg Xwater Water water uueal1-Xwater - 1-0.82010.1799

Answer 2

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