Molar Concentration Quiz

What is the formula for molar concentration?

• C = n/V

• C = V/n

• C = n * V

• C = V - n

In the formula C = n/V, what does "n" represent?

• Volume of solution

• Number of moles

• Molarity

• Concentration

In the formula C = n/V, what does "V" represent?

• Molarity

• Volume of solution

• Number of moles

• Concentration

What are the units for molar concentration?

• mol/L or M

• L/mol or M

• mol/L or L

• M or L/mol

What is the molar concentration of a solution if 1.5 mol of NaCl is dissolved in 0.5 L of solution?

• 3.0 M

• 0.3 M

• 1.5 M

• 0.75 M

What is the molar concentration of a saline solution with 3.5 g of NaCl in 1.5 L of solution?

• 0.040 M

• 0.040 mol

• 0.023 M

• 0.023 mol

How many moles of sucrose are needed to make 250 mL of a 0.50 M solution?

• 0.125 mol

• 0.250 mol

• 0.500 mol

• 0.050 mol

How many grams of NaOH are required to make 75.0 mL of a 1.75 M solution?

• 5.25 g

• 3.25 g

• 1.75 g

• 2.25 g

What does the term "solute" refer to in a solution?

• Substance that does the dissolving

• Substance dissolved

• Volume of solution

• Concentration of solution

What does the term "solvent" refer to in a solution?

• Substance that does the dissolving

• Substance dissolved

• Volume of solution

• Concentration of solution