Calculate the freezing point of a solution of 40.0 g methyl
salicylate, (MW: 152.15 g/mol), dissolved...
Calculate the freezing point of a solution of 40.0 g methyl
salicylate, (MW: 152.15 g/mol), dissolved in 800. g of benzene,
C6H6. Kf of benzene is 5.10 C/m and the freezing point is 5.50°C
for benzene.
Calculate the freezing point of a solution containing 1.25 g of
benzene (78 g/mol) in 100 g of chloroform.
∆T =
Km
Kfp chloroform = 4.68
oC/m
Freezing point chloroform = -63.5
oC
The freezing point depression of a solution of 1.45 g
sample of an unknown nonelectrolyte dissolved in 25.00 mL of
benzene(density d=0.879 g/mL) is 1.28oC.
Pure benzene has
Kf value of
5.12°C/m.
What is the molecular weight of the compound? (10
points)
Calculate the freezing point and boiling point of a solution
containing 7.90 g g of ethylene glycol (C2H6O2) in 92.7 mL of
ethanol. Ethanol has a density of 0.789 g/cm3
Calculate the freezing point of the solution.Express the answer
using four significant figures.
Calculate the boiling point of the solution.Calculate your
answer using three significant figures.
Calculate the freezing point of a solution containing 104 g
FeCl3 in 153 g water.
Calculate the boiling point of a solution above.
Calculate the freezing point of a solution containing 55.2 % KCl
by mass (in water).
Calculate the freezing point of a solution containing 3.34 m
MgF2.
Calculate the boiling point of a solution above
1. Calculate the freezing point of a solution that is made from
34.9 g of a nonelectrolyte (ℳ = 172.2979 g/mol) dissolved in 159.9
g of solvent. The solvent freezes at 4.20 °C and its
Kfvalue is 3.50 °C/m.
2.The solubility of carbon monoxide gas at 30.4 °C and a carbon
monoxide pressure of 449 mmHg is 2.02 × 10−3 g/L. What
is the Henry's Law constant in
mol⋅L−1⋅atm−1?
Report your answer to THREE significant figures.
Given: Calculate the freezing point and boiling point of a
solution containing 17.0 g of naphthalene (C10H8) in 119.0 mL of
benzene. Benzene has a density of 0.877 g/cm3.
Part A
Calculate the freezing point of a solution.
(Kf(benzene)=5.12∘C/m.)
Part B
Calculate the boiling point of a solution.
(Kb(benzene)=2.53∘C/m.)
Calculate the freezing point and boiling point of a solution
containing 16.0 g of naphthalene (C10H8) in 109.0 mL of benzene.
Benzene has a density of 0.877 g/cm3.
Part A
Calculate the freezing point of a solution.
(Kf(benzene)=5.12∘C/m.)
Part B
Calculate the boiling point of a solution.
(Kb(benzene)=2.53∘C/m.)
Calculate the freezing point and melting point of a solution
containing 10.0 g of naphthalene (C10H8) in
100.0 mL of benzene. Benzene has a density of 0.877
g/cm3