AQA GCSE Chemistry · 8462
Specification 4.3.2.2, 4.3.2.3 · Paper 1
- Revise: Reacting Masses
The sum of the relative atomic masses of all the atoms represented by a chemical formula.
- Revise: Balancing Equations using Moles
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GCSE Chemistry · key term
The sum of the relative atomic masses of all the atoms shown in a chemical formula.
Used by AQA, Edexcel and OCR
Specification 4.3.2.2, 4.3.2.3 · Paper 1
The sum of the relative atomic masses of all the atoms represented by a chemical formula.
Specification 1.43, 5.8C, 5.14C, 5.17C · Paper 1, Paper 2
Write out each element’s contribution to the relative formula mass so that every subscript is accounted for.
Write units at every stage. The relative formula mass, , has no unit, whereas molar mass is expressed in .
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The sum of the relative atomic masses of all the atoms represented by a chemical formula.
The sum of the relative atomic masses of all the atoms represented in a chemical formula.
The sum of the relative atomic masses of all the atoms represented by a chemical formula; it has no unit.
Specification C2.1c, CM3.1iv, C3.1h, CM3.3i, CM5.1iii, C5.1g, C5.1j · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
The relative mass represented by a chemical formula, found by adding the relative atomic masses of all the atoms in that formula.
The sum of the relative atomic masses of all the atoms shown in a chemical formula; it has no unit.
The sum of the relative atomic masses of all the atoms shown in a substance’s formula.
The sum of the relative atomic masses of all the atoms represented by a chemical formula.
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
The sum of the relative atomic masses of all the atoms shown in a chemical formula; it has no unit.
For a named compound, calculate its relative formula mass from the whole formula, including every atom and any brackets.