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प्रश्न
Define 'molecular mass' of a substance.
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उत्तर
The molecular mass of a substance is the relative mass of its one molecule as compared with a `""^12""_6C` atom. The mass of an atom of is `""^12""_6C` considered to be 12 a.m.u.
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संबंधित प्रश्न
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\[\ce{CaCO3 + 2HCl -> CaCl2 + H2O + CO2}\]
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