QUESTION 4 A compound containing only carbon and hydrogen is 80.0% by mass carbo

Question

QUESTION 4 A compound containing only carbon and hydrogen is 80.0% by mass carbon and 20.0% by mass hydrogen. What is the empirical formula of the compound?

A) C20H60

B) C7H20

C) CH3

D) C2H6

E) CH4

QUESTION 5 A compound containing only carbon and hydrogen is 85.7% by mass carbon and 14.3% by mass hydrogen. What is the empirical formula of the compound? A)CH2

B) C2H4

C) CH4

D) C4H8

E) C86H14

can some one plases help me if you can write out the solution that would be great so i figher out what i did worng if you cant then i understand thanks

Explanation / Answer

A) C20H60

B) C7H20

CH3

D) C2H6

E) CH4

25.1318 %

Except CH4 All other compounds showing 80:20 only

D) C4H8 & B) C2H4 Both showing 85.7 : 14.3

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