Biphenyl, c12h10, is a nonvolatile, nonionizing solute that is soluble in benzene, c6h6. at 25 °c, the vapor pressure of pure benzene is 100.84 torr. what is the vapor pressure of a solution made from dissolving 13.6 g of biphenyl in 26.4 g of benzene?

The vapor pressure of the solution of biphenyl and benzene has been 80.672 torr.

Raoult's law can be used for the determination of the vapor pressure of the solute in the solution.

The law can be given as:

Vapor pressure of solution = mole fraction of solvent Vapor pressure of the solvent

Mole fraction of solvent = moles of solvent to moles of solution

Moles of solvent (Benzene) =

Moles of solvent = 0.33 mol

Moles of solute =

Moles of solute = 0.08 mol

Moles of solution = solvent + solute

Moles of solution = 0.33 + 0.08 = 0.41 mol

Moles of solvent =

Moles of solvent = 0.80

Vapor pressure of solution = 0.80 100.84

Vapor pressure of solution = 80.672 torr.

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they emit helium gas that attaches to nearby planets.

they remove low-mass elements from the planets’ crust.

they cause nuclear fusion inside the inner core of planets.

they produce heavy elements such as iron and gold.

explanation: