Question

8 g O2 molecules (number of molecules from mass)​

Answer 1

Answer:

1.5 * 10²³

Explanation:

8 grams = 0.25 moles

1 mole = 6.022 * 10²³ atoms

0.25 moles = (6.022 * 10²³) * 0.25

0.25 moles= 1.5 * 10²³