Concentration Practice

What is the concentration of an aqueous solution that contains 1.5 moles of NaCl in 500 milliliters of this solution?

• 0.30 M

• 0.75 M

• 3.0 M

• 7.5 M

What is the molarity of a solution that contains 0.500 mole of KNO₃ dissolved in 0.500-liter of solution?

• 1.00 M

• 2.00 M

• 0.50 M

• 4.00 M

Which expression could represent the concentration of a solution?

• 3.5g

• 3.5M

• 3.5mL

• 3.5mol

The molarity of an aqueous solution of NaCl is defined as the

• grams of NaCl per liter of water

• grams of NaCl per liter of solution

• moles of NaCl per liter of water

• moles of NaCl per liter of solution

What is the molarity of 1.5 liters of an aqueous solution that contains 52 grams of lithium fluoride, LiF, (gram-formula mass = 26 grams/mole)?

• 1.3 M

• 2.0 M

• 3.0 M

• 0.75 M

Which unit can be used to express solution concentration?

• J/mol

• L/mol

• mol/L

• mol/s

What is the molarity of a solution containing 20 grams of NaOH in 500 milliliters of solution?

• 1 M

• 2 M

• 0.04 M

• 0.5M

How many moles of solute are contained in 200 milliliters of a 1 M solution?

• 1

• 0.2

• 0.8

• 200

Which preparation produces a 2.0 M solution of C₆H₁₂ O₆? [molecular mass = 180.0]

• 90.0 g of C₆H₁₂O₆ dissolved in 500.0 mL of solution

• 90.0 g of C₆H₁₂O₆ dissolved in 1000. mL of solution

• 180.0 g of C₆H₁₂O₆ dissolved in 500.0 mL of solution

• 180.0 g of C₆H₁₂O₆ dissolved in 1000. mL of solution

What is the total number of moles of solute in 2.0 liters of 3.0 M NaOH?

• 1.0 mole

• 2.0 mole

• 3.0 mole

• 6.0 mole