Molarity Mastery Quiz

What is the molarity of a solution prepared by dissolving 2 moles of sodium chloride (NaCl) in 1 liter of water?

• 1 M

• 2 M

• 0.5 M

• 4 M

• 0.25 M

• 1 M

• 2 M

• 0.5 M

How many moles of potassium hydroxide (KOH) are needed to prepare 2 liters of a 1.5 M solution?

• 1 mole

• 2 moles

• 3 moles

• 0.75 moles

• 0.5 L

• 1 L

• 2 L

• 4 L

A solution has a molarity of 3 M. How many moles of solute are in 3 liters of this solution?

• 1 mole

• 3 moles

• 6 moles

• 9 moles

To prepare a 0.1 M solution, how many moles of NaOH are needed in 5 liters of water?

• 0.02 moles

• 0.1 moles

• 0.5 moles

• 1 mole

What is the molarity of a solution that contains 4 moles of HCl in 2 liters of water?

• 0.5 M

• 1 M

• 2 M

• 4 M

If 3 liters of a 2 M solution of NaCl are diluted with water to make 6 liters of solution, what is the new molarity?

• 1 M

• 2 M

• 3 M

• 6 M

How many liters of water are needed to dissolve 2 moles of KCl to make a 0.4 M solution?

• 2 L

• 4 L

• 5 L

• 10 L

• 0.25 M

• 0.5 M

• 0.75 M

• 0.5 M