Answer to Question #247337 in General Chemistry for inter 10

Question #247337

What is the molecular formula of the compound if its empirical formula is and its molecular weight is 90.0 amu

Expert's answer

Emperical formula weight of CH

2

O is 30 (12+2+16)

Molecular formula weight is 90

So,

n= 90/30= 3

Molecular formula=3×CH2O

Hence molecular formula is C3H6O3

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