4th 9wks 6wks Review

Front

What is a dilution?

Back

A dilution is when water is added to the volume of stock solution.

Front

What happens to the concentration when a solution is diluted?

Back

The concentration decreases.

Front

If 150 mL of a 0.75 M H2SO4 solution is diluted to 450 mL, what is the new concentration?

Back

0.25 M

Front

What is the formula to calculate the new concentration after dilution?

Back

C1V1 = C2V2, where C is concentration and V is volume.

Front

At what temperature can you fully dissolve 120g of NaBr?

Back

70°C

Front

What is the solvent in a Kool-aid mixture of sugar, Kool-aid powder, and water?

Back

Water is the solvent.

Front

What is the definition of a solute?

Back

A solute is a substance that is dissolved in a solvent.

Front

What is the definition of a solvent?

Back

A solvent is a substance that dissolves a solute.

Front

If I have 340 mL of a 0.5 M NaBr solution and add 560 mL more water, what will the concentration be?

Back

0.188 M

Front

What is the effect of temperature on solubility?

Back

Generally, solubility increases with temperature for solids.