Question

(3M)
11. Calculate the molecular mass of
0 H20
(ii) Nazo
(iii) C2H6
(Atomic mass of H=1u, 0=16u, Na-23u, C=12u)​

Answer 1

Answer:

1)H2O= 1x2+16=18u

2)Na2O= 23x2+16=62u

3)C2H6= 12x2+6x1= 30u