If the empirical formulae of a compound is CH3 and its vapour density is 15. Find its molecular formula [ atomic weight of C = 12 , H = 1 ] PLSSS HELPPP MEE
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If the empirical formulae of a compound is CH3 and its vapour density is 15. Find its molecular formula [ atomic weight of C = 12 , H = 1 ] PLSSS HELPPP MEE
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Explanation:
Molecular weight = Vapour density ×2=2×15=30
Molecular formula = Empirical formula × n
n=
Empirical formula weight
Molecular weight
=30/15=2
so molecular formula 2×(CH
3
)=C
2
H
6
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