Asked by Yeneta
A solution contains 15 g non-volatile non-electrolyte solute C6H14O6 dissolved in 500 g of water at 40 c.
Calculate
(A)Vapor pressure of the solution.
(B)Boiling point of the solution.
(C)Freezing point of the solution.
Calculate
(A)Vapor pressure of the solution.
(B)Boiling point of the solution.
(C)Freezing point of the solution.
Answers
Answered by
DrBob222
b. mols C6H14O6 = grams/molar mass.
Substitute mols into
molality = mols/kg solvent and solve for m, then substitute m into
delta T = Kb*m, solve for delta T and add to the normal boiling point for H2O.
c. Use calculation for mols and molality from above and substitute into
delta T = Kf*m and solve for delta T and subtract from normal freezing point of H2O.
a. Psoln = XH2O*P<sup>o</sup><sub>H2O</sub>
where XH2O = mols H2O/total mols.
Substitute mols into
molality = mols/kg solvent and solve for m, then substitute m into
delta T = Kb*m, solve for delta T and add to the normal boiling point for H2O.
c. Use calculation for mols and molality from above and substitute into
delta T = Kf*m and solve for delta T and subtract from normal freezing point of H2O.
a. Psoln = XH2O*P<sup>o</sup><sub>H2O</sub>
where XH2O = mols H2O/total mols.
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