WorksheetsBoiiling Point Elevation
Total questions: 11
Worksheet time: 29mins
How many grams of fructose (C6H12O6) must be dissolved in 937 g of acetic acid to raise the boiling point by 9.1 °C? The boiling point constant for acetic acid is 3.08 °C/m
4.67894 mol
2.7684 mol
3.56470 mol
1.00678 mol
A solution is made up of
Solvent
Solute
Both solvent and solute
Colligative properties of solutions are those properties that depend on
the amount of solute only
the identity of solute only
both the identity and the amount of solute
Molality is
the moles of solute in 1g of solvent
the moles of solute in 1g of solution
the moles of solute in 1kg of solvent
the moles of solute in 1kg of solution
The freezing point of a solution is ___________ that of a pure solvent
more than
less than
equal to
The boiling point of a solution is ___________ that of a pure solvent
more than
less than
equal to
What is the molality of a solution containing 2.35g of NaCl in 0.55Kg of water?
0.0731
4.27
0.427
7.31
Styrene glycol (C8H10O2) is a plasticizer. How many grams of stryrene glycol must be dissolved in 98.7 g of benzene to raise the boiling point by 8.57 degrees C? Kb for benzene is 2.67 degrees C / m.
.098 g
138 g
3.21 g
43.8 g
A solution made by dissolving 9.81 g of a nonvolatile nonelectrolyte in 90.0 g of water boiled at 100.37 oC. What is the approximate molar mass of the substance? Kb=0.51 oC/m
240 g/mol
150 g/mol
79 g/mol
61 g/mol
