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Lesson: Molar Concentrations

In this lesson, we will learn how to calculate the molar concentration of a solution from the solvent volume and mass or moles of dissolved solute.

Worksheet • 5 Questions

Q1:

Calculate the volume in L of a 0.125 M boric acid solution containing 0.500 mol of boric acid.

Q2:

During a titration, 22.4 mL of 0 . 1 0 0 M N a O H was required to neutralize the acidic analyte.

Calculate the number of moles of sodium hydroxide in the titer.

  • A 2 . 2 4 × 1 0 − 3 mol
  • B 0.224 mol
  • C 2.24 mol
  • D 4.46 mol
  • E 4 . 4 6 × 1 0 − 3 mol

Calculate the number of grams of sodium hydroxide in the titer.

Q3:

A 600 mL solution contains 10.1 g of magnesium chloride. What is the molar concentration of magnesium chloride in this solution?

Q4:

1.0 liter of a sodium chloride solution contains 2.0 moles of sodium chloride. What is the concentration of sodium chloride?

Q5:

A 0.80-liter solution contains 0.40 moles of acetic acid. What is the molar concentration of acetic acid in this solution?
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