Question

What is the no. of molecule in 0.25 moles of oxygen?​

Answer 1

Answer:

We know that : 1 mole of oxygen contains = 6.022 x 10(23) molecules. So, 0.25 moles of oxygen contains = 6.022 × 1023 x 0.25 = 1.505 x 1023 molecules. Thus, 0.25 mole of oxygen contains 1.505 x 1023 molecules.