Solutions Jeopardy

Concentration

100

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

solution

200

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

Solvent

300

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

Salt

400

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

True

500

What are the two ways we can measure concentration?

Molarity & Molality

Molarity

100

What is the label/units for Molarity?

M or moles/L

200

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

0.8 M

300

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

0.09 M

400

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

4.5 moles

500

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

0.21 L

Molality

100

What is the label/units for molality?

m or moles/kg

200

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

0.03 m

300

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

10.5 moles

400

What is the molality of a solution which contains 27.0g of CaCl₂ dissolved in 1.0 kg of H₂O?

0.24 m

500

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

3.37 kg

Colligative Properties

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

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

The boiling constant

300

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

molality

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

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