Concentration
Molarity
Molality
Colligative Properties
100

This is made up of two parts: the solute and solvent

solution

100

What is the label/units for Molarity?

M or moles/L

100

What is the label/units for molality?

m or moles/kg

100

T or F: The property of a solution depends only on the identity of the solution.

False (It will depend on the number of particles/concentration!!)

200

In salt water, what part of the solution is the water?

Solvent

200

What is the molarity of a solution with 3.2 moles of solute and 4.0 L of solution?

0.8 M

200

What is the molality of a solution that contains 0.5 moles of NaCl dissolved in 15 kg of solvent?

0.03 m

200

What does the Kb represent in a change in boiling point equation?

The boiling constant

300

In salt water, which part of the solution is the solute?

Salt

300

What is the molarity of a solution with 10.0 g of NaCl and 2.0 L of solution. 

0.09 M

300

What is the amount of moles in a 2.5 kg solution that has a molality of 4.2?

10.5 moles

300

What does the m stand for in the boiling point-elevation equation?

molality

400

True or False: As the concentration of a solution increases, the boiling point increases.

True

400

What is the moles for a 3M solution that contains 1.5 L of solution. 

4.5 moles

400

What is the molality of a solution which contains 27.0g of CaCldissolved in 1.0 kg of H2O?

0.24 m
400

Which is going to have the higher boiling point: Pure water or a 3M solution of NaCl and water?

3M solution of NaCl & water

500

What are the two ways we can measure concentration?

Molarity & Molality

500

What amount of Liters contains 0.42 moles of solute and is a 2M solution?

0.21 L
500

What is the amount of kg in a 0.95 molal solution that contains 3.2 moles of solute?

3.37 kg

500

If 8.4 g of C3H8 is dissolved in 250 g of water, what is the new boiling point? (Constant for boiling is 0.512 and boiling point for pure water is 100)

100.39

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