(Answered) 1 the vapor pressure ofnbspbenzenenbspc6h6 isnbsp730nbspmm

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1) The vapor pressure of benzene (C₆H₆) is 73.0 mm Hg at 25 °C. What is the vapor pressure of a solution consisting of 279 g of benzene and 0.122 mol of a nonvolatile nonelectrolyte?

VP(solution) = _______ mm Hg

2) The common laboratory solvent chloroform is often used to purify substances dissolved in it. The vapor pressure of chloroform, CHCl₃, is 173.1 mm Hg at 25 °C.

In a laboratory experiment, students synthesized a new compound and found that when 15.69 grams of the compound were dissolved in 222.0 grams of chloroform, the vapor pressure of the solution was 167.9 mm Hg. The compound was also found to be nonvolatile and a nonelectrolyte.

What is the molecular weight of this compound?

chloroform = CHCl₃ = 119.4 g/mol

MW = ______________g/mol

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