Solutions and Concentration Quiz

What is the molarity of a solution containing 5 moles of solute in 2 liters of solution?

• 2.5 M

• 5 M

• 10 M

• 0.4 M

Which of the following statements is true about solubility?

• Solubility is independent of temperature.

• Solubility is the same for all solutes.

• Solubility is the maximum amount of solute that can dissolve in a given amount of solvent at a specific temperature.

• Solubility is the amount of solute that can dissolve in any amount of solvent at any temperature.

If 250 mL of a 2 M solution is diluted to 1 L, what is the new molarity?

• 0.5 M

• 1 M

• 0.25 M

• 2 M

Which of the following is the correct formula for calculating molarity?

Tags

NGSS.HS-PS1-5

A solution is prepared by dissolving 10 g of NaCl in enough water to make 500 mL of solution. What is the molarity of the solution? (Molar mass of NaCl = 58.44 g/mol)

• 0.345 M

• 0.171 M

• 0.684 M

• 0.5 M

What is the process of reducing the concentration of a solute in a solution, usually by adding more solvent?

• Saturation

• Precipitation

• Dilution

• Evaporation

Tags

NGSS.HS-PS1-5

If 100 mL of a 3 M solution is mixed with 200 mL of water, what is the final concentration of the solution?

• 1 M

• 2 M

• 0.5 M

• 3 M

Which of the following factors does NOT affect the solubility of a substance?

• Temperature

• Agitation

• Nature of solute and solvent

• Color of the solute

What is the molarity of a solution made by diluting 50 mL of a 6 M solution to a final volume of 300 mL?

• 1 M

• 2 M

• 3 M

• 4 M

Which of the following is an example of a saturated solution?

• A solution that contains the maximum amount of solute dissolved at a given temperature.

• A solution that contains less solute than it has the capacity to dissolve.

• A solution that contains more solute than it can theoretically hold at a given temperature.

• A solution that has been diluted.