Notifications
Clear all
Atoms and Molecules
1
Posts
2
Users
0
Likes
293
Views
0
12/11/2021 3:57 pm
Topic starter
Calculate the molecular masses of the following compounds:
(a) Methane, CH4
(b) Ethane, C2H6
(c) Ethene, C2H4
(d) Ethyne, C2H2
(Atomic masses: C= 12u, H = 1u)
1 Answer
0
12/11/2021 3:59 pm
(a) Molecular mass of methane (CH4) = 12 + 4 = 16 u
(b) Molecular mass of ethane (C2H6) = 2 x 12 + 6 x 1 = 30 u
(c) Molecular mass of ethane (C2H4) = 2 x 12 + 4 x 1 = 28 u
(d) Molecular mass of Ethyne (C2H2) = 2 x 12 + 2 x 1 = 26 u