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A hydrocarbon consist of 92.3% carbon. Its molecular mass is 26. Calculate its molecular formula.

      

A hydrocarbon consist of 92.3% carbon. Its molecular mass is 26. Calculate its molecular formula.

  

Answers


Edwin
% mass of carbon = 92.3
% mass of hydrogen = 7.7

No.of moles of carbon = 92.3/12
=7.6917

No.of moles of hydrogen =7.7/1
=7.7

Moles ratio of C : H
(7.6917/7.6917):(7.7/7.6917)
=1 : 1

EF = CH

MF = nEF

n = 26/13
=2

MF = C2H2
Nchoga answered the question on December 22, 2018 at 17:23


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