Question

0.5 mol
2. The number of molecules of O2 present in 16 g of its sample.
03.011 x 10*(23)
6.022 x 10^(-22)
оооо
3.011 x 10*(22)
6.022 x 10^(-23)​

Answer 1

Answer:

6.02 x 1023 MOLECULES is the answer plz mark me BRAINLIST ANSWER

Answer 2

Explanation:

Atomic mass of Oxygen is 16

= 16g/32g.

=0.5moles

.

1 mole has 6.023* 10^23 molecues or atoms.

so 0.5 mole has 3.011* 10^23molecules.

HENCE OPTION A IS CORRECT.