Unit Conversion

What are the units for molarity?

• grams/liter

• moles/liter

• grams/mole

• liters/mole

What is the molar mass of CuCl2? (Use atomic masses: Cu = 63.55 g/mol, Cl = 35.44 g/mol)

• 98.99 g/mol

• 134.45 g/mol

• 169.00 g/mol

• 198.00 g/mol

What is the molarity of a solution formed by dissolving 152.5 g of CuCl2 in water to make a final volume of 2.25 L?

• 0.678 M

• 1.134 M

• 0.504 M

• 2.25 M

A solution contains 0.727 moles of NaCl in a total volume of 375 mL. What is the molarity of this solution?

• 0.727 M

• 1.94 M

• 0.375 M

• 2.70 M