the molecular mass of an organic compound is 78. it's empirical formula is CH. the molecular formula is........?
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8
according to the empirical formula....there are equal no of carbon and hydrogen atoms...let it be x ..then equating atomic weights...x(13)=78..x=6
adarsh63:
thanQ but my option is a) C2H4 B) C2H2 C) C6H6 D) C4H4
C is the correct option. t
yoo...
thanks
Answered by
12
Emperical formula mass = 12 + 1 = 13 grams
n = Molecular mass / Emperical formula mass
= 78 g / (13 g)
= 6
Molecular formula = 6 × CH = C₆H₆
n = Molecular mass / Emperical formula mass
= 78 g / (13 g)
= 6
Molecular formula = 6 × CH = C₆H₆
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