Solutions- Chemistry

True or false:

Dissolved particles will pass through a piece of filter paper.

• True

• False

You begin with a solution of 400 grams of potassium chloride dissolved in 1250 mL of water. If the volume of water is increased by 33%, what is the final molarity of the solution?

• 3.2 M

• 4.3 M

• 5400 M

• 5.4 M

If 400 mL of a 8.0 M solution is diluted to a molarity of 5.3M, about how much solvent volume was added?

• 200 mL

• 600 mL

• 400 mL

• 180 mL

This solution would be considered

• Unsaturated
• Supersaturated
• Saturated
• Undefined

The ___ is the thing being dissolved.

• solute
• solvent
• mixture
• suspension

You and your friend have a contest to see who can make sweet iced tea the fastest. Which of the following would NOT help you win?

• Cooling the water

• Using smaller sugar crystals

• Heating the water

• Stirring quickly

amount of solute that can dissolve in a given amount of solvent at a given temperature

• saturated solution
• solubility
• pure substance
• colloid

what is the molarity of a solution that contains 125 g NaCl in 4.00 L of solution?

• 0.535 M NaCl
• 2.14 M NaCl
• 8.56 M NaCl
• 31.3 M NaCl

What is the most common solvent in everyday life (universal solvent)?

• Ethanol

• Toluene

• Water

• Oils

For most solids in water, how does temperature affect solubility?

• Solubility is not affected by temperature.

• Solubility decreases with an increase in temperature.

• Solubility increases with an increase in temperature.