A compound is approx. 86% carbon 14% hydrogen by mass. The chemical formula of this compound s?

Given: Compound contains carbon = 86%
           Hydrogen = 14%

To find: Molecular formula 

Solve: Number of constituting atoms = % composition of atom in compoundmolar mass of atom

Number of Carbon atoms =  86 / 12 = 7.16 = 7 (approx.)

Number of Hydrogen atoms = 14 /1 = 14

Therefore, the Molecular formula is C7H14



 
 

 

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