Concentration of solutions (5.3.2.5) | AQA GCSE Combined Science: Trilogy (8464) — Chemistry — Higher | KnowledgeSet

Concentration of solutions

Chemistry (Combined Science) · GCSE · AQA · AQA GCSE Combined Science: Trilogy (8464) — Chemistry — Higher · Specification point · 5.3.2.5 · Quantitative chemistry · Use of amount of substance in relation to masses of pure substances

Mass concentration

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Learning Objectives

5.3.2.5 Concentration of solutions

Content	Key opportunities for skills development
$Many chemical reactions take place in solutions. The concentration of a solution can be measured in mass per given volume of solution, eg grams per dm³ (g/dm³). Students should be able to: calculate the mass of solute in a given volume of solution of known concentration in terms of mass per given volume of solution (HT only) explain how the mass of a solute and the volume of a solution is related to the concentration of the solution.$	$MS 1c Use ratios, fractions and percentages. MS 3b Change the subject of an equation.$

Content

Key opportunities for skills development

Many chemical reactions take place in solutions. The concentration of a solution can be measured in mass per given volume of solution, eg grams per dm³ (g/dm³). Students should be able to: calculate the mass of solute in a given volume of solution of known concentration in terms of mass per given volume of solution (HT only) explain how the mass of a solute and the volume of a solution is related to the concentration of the solution.

MS 1c Use ratios, fractions and percentages. MS 3b Change the subject of an equation.