Exam-style question
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For Relative formula mass, which formula choice answer best supports this Unit 4.3 objective: Define relative formula mass, Mr, as the sum of the relative atomic masses of atoms in the numbers shown in a formula?.
- A.18 - correct formula choice for relative atomic mass
- B.Wrong formula choice: confuses relative atomic mass with a nearby Unit 4.3 idea
- C.Wrong unit check: uses the wrong unit for Relative formula mass
- D.Wrong calculation link: does not support Define relative formula mass, Mr, as the sum of the relative atomic masses of atoms in the numbers shown in a formula
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