Question

Calculate the no of Atom in 0.20 mole molecules of O2.​

Answer 1

Answer:

1.205×10^23 atoms.

Explanation:

1 mole molecules of oxygen = 6.022×10^23 atoms

0.20 mole molecules of oxygen = 6.022 × 10^23 × 0.20

                                                      = 1.205×10^23 atoms.