Solutions, Dilutions, and Solubility Review

If I add water to 100.0 mL of a .15 M solution of NaOH until the final volume is 300.0 mL what will the molarity of the diluted solution be?

• 0.050 M

• 0.50 M

• 1.5 M

• 3.5 M

How many grams of NH4Cl will dissolve in 100 grams of 90°C water?

• 25 grams

• 70 grams

• 58 grams

• 85 grams

Molarity (concentration) is measured in which of the following:

• g/mol

• mol/mL

• mol/L

• g/mL

30 grams of NaCl is added to a beaker of 500 mL of water. What do you expect to happen to the concentration if 20 mL of water is added to this solution?

• Concentration will increase.

• Concentration will decrease.

• Concentration will stay the same.

• Concentration will not change.

How many grams of NH4Cl will dissolve in 50 grams of 90°C water?

• 70 grams

• 35 grams

• 30 grams

• 80 grams

Which is more soluble NaNO3 or KCl?

• Sodium nitrate

• Potassium chloride

Which of the following substance below is the most soluble in 100 g H2O at 40 °C?

• Potassium chlorate

• Potassium chloride

• Ammonium chloride

• Potassium nitrate

 Which substance below is a gas?

• Potassium chlorate

• Potassium chloride

• Ammonia

• Potassium Nitrate

The solubility of gasses follows which trend below?

• Solubility of gasses increases as temperature increases.

• Solubility of gasses decreases as temperature increases.

• Solubility of gasses decreases as temperature decreases.

• Solubility of gasses remains constant as temperature changes.

Draw the process of dilution using two different beakers.