Question

1. If a hydrocarbon contains 16.67% of hydrogen by mass. Which is the hydrocarbon?
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Answer 1

Answer:

Let the mass of hydrocarbon be 100g

Therefore , H=20g=20 moles

C=80g=

12

80

moles =6.67 moles

C:H=6.67:20=1:3

Therefore, the empirical formula of hydrocarbon is CH

3