The density of o2 at NTP is 1.429g/l.calcute standard molar volume of gas?

Answer 1

a mol of O2 has mass of about 32 g/mol

so 32 g/mol * 1 liter/1.429 g
= (32/1.429) liters/mol

I hope it is about 22.4 liters :)

Answer 2

22.4.ltr

Answer 3

32/1.429