Question

what is the mass of 0.2 miles of oxygen molecules​

Answer 1

Answer:

What is the mass of : (a) 0.2 mole of oxygen atoms? (b) 0.5 mole of water molecules? Ans. ∴ 0.2 mole of oxygen atoms = 16 × 0.2 = 3.2 g (b) 1 mole of water molecules = 18 g ∴ 0.5 mole of water molecules = 18 × 0.5 = 9 g 10.

Answer 2

Answer:

0.2moles=16×0.2=3.2