Question

Which equivalence factor should you use to convert from 4.28 x 1019 molecules of O2 to moles of O2?

(1 mol O2/4.28 x 1019 molecules O2)

(4.28 x 1019 molecules O2/1 mol O2)

(1 mol O2/6.02 x 1023 molecules O2)

(6.02 x 1023 molecules O2/1 mol O2)

Answer 1

@cuanchi @Will.H

Answer 2

you need to know how many molecules has a mol of O2

Answer 3

1 mol O2 = 6.02 x 1023 molecules O2

6.02 x 1023 molecules O2 = 1 mol O2