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Question

Chemistry Question on Some basic concepts of chemistry

The empirical formula of a compound is CH2OCH_2O. Its molecular weight is 180180. The molecular formula of the compound is

A

C4HO4C _{4} HO _{4}

B

C5H10O5C _{5} H _{10} O _{5}

C

C3H6O3C _{3} H _{6} O _{3}

D

C6H12O6C _{6} H _{12} O _{6}

Answer

C3H6O3C _{3} H _{6} O _{3}

Explanation

Solution

Empirical formula mass =12+2+16=30=12+2+16=30 n= Molar Mass  Emperical Mass =9030=3n =\frac{\text { Molar Mass }}{\text { Emperical Mass }}=\frac{90}{30}=3 Molar FF ormula =(CH2O)n=C3H6O3=\left( CH _{2} O \right)_{ n }= C _{3} H _{6} O _{3}