(Answered) A biphenyl c12h10 is a nonvolatile nonionizing solute that

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a) Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 degrees Celcius, the vapor pressure of pure benzene is 100.84 torr.

What is the vapor pressure of a solution made from dissolving 13.8 g of biphenyl in 32 g of benzene?

b) Express the concentration of a 0.07 M aqueous solution in fluoride, F^-, in mass parts per million. Assume the density of the solution is 1.00 g/mL.

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