Question

Number of Hydrogen atoms in 15 gram of
Hydrogen gas
(1) 9 X 1024
(2) 6 x 1024
(3) 3 x 1024
(4) 4.5 x 1024​

Answer 1

Answer:

(d) part

Explanation:

First find the no of moles which is 15/2= 7.5

Then multiply by Avagardo no.

so ans is 4.5 * 10^24