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Mole concept and Stoichiometry — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryMole concept and Stoichiometry1 Mark
Question
The relative atomic mass of Cl atom is 35.5 a.m.u. Explain this statement.
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Answer

This statement means one atom of chlorine is 35.5 times heavier than 1/12 time of the mass of an atom C-12.

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