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Atoms and Molecules — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceAtoms and Molecules2 Marks
Question
Define ‘molecular mass’ of a substance.
✓

Answer

The molecular mass of a substance is the relative mass of its one molecule as compared with a 126CC612atom. The mass of an atom of 126CC612 is considered to be 12a.m.u.

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