Question

6. How many molecules of Co, are present in 1.12 L of it at STP?​

Answer 1

Explanation:

Correct option is

B

3.01×10

12

given volume of gas =1.12×10

−7

CC

6.023×10

23

molecules of any gas occupied 22400ml at STP

So,

1.12×10

−7

CC volume occupied by

=6.023×10

23

×

22400

1.12×10

−7

{1CC=1ml}

=3.01×10

12

molecules of gas

Answer 2

3.01 x 1022 molecules of CO2 are present in 1.12 L of it at STP.

Hope it helps:)