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A solution is made using 16.5 percent by mass CH₂Cl₂ in CHCl₃. At 30 °C, the...

A solution is made using 16.5 percent by mass CH₂Cl₂ in CHCl₃. At 30 °C, the vapor pressure of pure CH₂Cl₂ is 490 mm Hg, and the vapor pressure of pure CHCl₃ is 260 mm Hg. The normal boiling point of CHCl₃ is 61.7 °C.

A. What is the mole fraction of CH₂Cl₂ in the solution?

B.what is the vapor pressure of the solution

C. what is the molarity of CH2Cl2 in solution

D. what is the boiling point of the solution? (Kb for CHCl3 is 3.67 C/m)

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