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Warm-Up 34 - Colligative Properties

Posljednje ažuriranje over 1 year ago

2 questions

1

Pitanje 1

1.

Four beakers contained the following substances or mixtures.
Beaker A contains pure water.
Beaker B contains a 2.5m aqueous aluminum nitrate solution.
Beaker C contains a 5.0m aqueous sugar solution.
Beaker D contains a 3.0m aqueous calcium nitrate solution.
Order these beakers from highest to lowest boiling points. Place the highest boiling point at the TOP.

Beaker C
Beaker A
Beaker B
Beaker D

1

Pitanje 2

2.

Enough sodium chloride was dissolved in benzene to make a 3.5 m solution. Based on the table below, what would be the freezing point of this solution?

30^oC

87^oC

-23^oC

-30^oC