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the empirical formula of a compound is ch2o to what would be its molecular formula

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Let's find the Molar mass of Carbon=12. 

Molar mass of Hydrogen=1. 

Molar mass of Oxygen=16. 

Mass of CH2O=12+2(1)+16=30.

Molecular weight of compound given is 180. 

So, the molecular weight is 180/30 ​ =6. 

⇒ Molecular formula of compound is C6H12O6 ​ .

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