Concentrations of solutions

1 mark · Normal

Which calculation gives the concentration, in mol/dm³, of a solution containing 1.5 mol of solute in 0.75 dm³ of solution?

A1.5 ÷ 0.75B0.75 ÷ 1.5C1.5 × 0.75D0.75 × 1.5

› Show answer

Correct option: 1.5 ÷ 0.75

Common mistakes: Reversing numerator and denominator

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Marking points

A1 · 1 mark · Correct option selected: 1.5 ÷ 0.75

Worked solution

c = n / V = 1.5 / 0.75

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