Unit Award Scheme

122535 QUANTITATIVE CHEMISTRY

In successfully completing this unit, the Learner will have

Evidence needed

demonstrated the ability to

1state that mass is conservedSummary sheet and/or student completed work
2describe the main aspects of balanced equations in terms of the conservation of massSummary sheet and/or student completed work
3explain the key use of multipliers when they are found in equations in normal script before a formula, and in subscript within a formulaSummary sheet and/or student completed work
4balance two given chemical equationsSummary sheet and/or student completed work
5define the term 'relative formula mass' (Mr) and calculate this of a compound, given its formulaSummary sheet and/or student completed work
6calculate the relative formula masses of the reactants and products in a given balanced chemical equation to prove that mass is conservedSummary sheet and/or student completed work

shown knowledge of

7the key reasons mass sometimes increases or decreases during chemical reactions in non-enclosed systems during experimentsSummary sheet and/or student completed work
8a way to calculate the degree of uncertainty within experimental measurementsSummary sheet and/or student completed work
9at least two named solutions, including the names of the solvent and soluteSummary sheet and/or student completed work

demonstrated the ability to

10calculate the mass of a solute in a given volume of solution, of known concentration, in terms of mass per given volume of solution.Summary sheet and/or student completed work

All outcomes recorded on an AQA Summary Sheet

Approved 19 November 2024Level - Level One