Question

what is the number of molecules in 0.25 moles of oxygen​

Answer 1

Answer:

1 mole of oxygen gas contain 6.023 × 1023 molecules. 0.25 mole of oxygen gas contain = 0.25 × 6.022 × 1023 molecules. Hence 0.25 mole of oxygen gas contain = 1.505 × 1023

Answer 2

Explanation:

number of molecules in 0.25 moles of oxygen (Avogadro number=6.022*10^23