State the molecular mass of H2 O |
|||||||
(a) |
16u |
(b) |
17u |
(c) |
18u |
(d) |
15u |
State the molecular mass of H2 O |
|||||||
(a) |
16u |
(b) |
17u |
(c) |
18u |
(d) |
15u |