Question

Which of the following has maximum number of atoms?

(a) 18 g of H2O
(b) 18 g of O2
(c) 18 g of CO2
(d) 18 g of CO4​

Answer 1

18g of H2O

Step-by-step explanation:

the molecule with great number of moles will have great number of atoms .

(a) option is correct

Answer 2

(a) 18 g of H2O

Step-by-step explanation:

The molecule with great number of moles will have great number of atoms.

By observation, since all compounds have same mass, water has the least molcular mass

`H_(2) O = \: 18 \: g`