Question

Calculate the molecular masses of the following compounds (a) Methane, CH4
(b) Ethane, C2H6
(c) Ethene, C2H4
(d) Ethyne, C2H2
(Atomic masses C = 12 u ; H = 1 u)

Answer 1

Answer:

(a)CH4

12+4×1

12+4=16

(b)C2H6

12×2+6×1

24+6=30

(c)C2H4

2×12+4×1

24+4=28

(d)C2H2

12×2+2×1

24+2= 26

Answer 2

Answer:

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Explanation: