Molarity Calculations

How many moles of NaCl are present in a solution with a molarity of 8.59M and 125 mL of solution?

• 1.1 gram

• 62.7 mol

• 1.07 mol

• 62.7 grams

The ___ is the thing being dissolved

• solute
• solvent

What is the molarity of a solution which contains 22.41 grams of NaCl in 50.0 mL of solution?

• 0.488 M

• 4.89 M

• 7.67 M

• 0.00767 M

Solvent is best defined as-

• a mixture in which the substances are spread out evenly between one another and cannot be told apart
• the ability of a substance to dissolve in another substance
• a substance that dissolves in another substance
• a substance into which another substance dissolves

How many moles are needed to make 2.5 L of a 3.8 M solution? 

• 9.5 mol
• 0.66 mol
• 1.5 mol
• 15 mol

What is the molarity of a 0.50L sample of a solution that contains 60.0 g of sodium hydroxide (NaOH)

• 0.8 M

• 1.5M

• 3.0M

• 6.0M

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

• moles/liters of solution

• moles/kg of solvent

• # particles/Avogadro's #

• theoretical yield/actual yield

What is the molarity of 2.5 mol of NaOH in 12.0 L of solution?

• 0.21 M
• 30 M
• 4.8 M
• 20.8 M

What is the molarity of 122.5 g of AlCl₃ in 1.0 L of solution?

• 1.225 M
• 0.92 M
• 0.1225 M

You dissolve 43.6 grams of potassium sulfate into 650 mL of water. What is the concentration of your solution?

• 0.067 M potassium sulfate solution

• 0.38 M potassium sulfate solution

• 14 M potassium sulfate solution

• 67 M potassium sulfate solution