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CBSE Class 11-science Answered

A compound contains carbon,hydrogen and oxygen have 40% carbon . If it's empirical formula mass = 30 amusing then what will the empirical formula of compound?

Asked by shivamguvrele15 | 18 Jun, 2019, 08:41: AM
Expert Answer
Given:
 
C = 40%
 
Empirical formula mass = 30.
 
So mas of carbon =
 
equals 40 over 100 cross times 30

equals space 12
 
Mass of remaining elements = 30 - 12
 
                  Mass of O + H  = 18
 
Therefore, there is one oxygen and two hydrogen atoms.
 
So the empirical formula of compound is CH2O.
Answered by Varsha | 18 Jun, 2019, 11:55: AM
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