Question

Find weight of oxygen molecule if .... see in pic it’s ques 5 (b) , (e), part plz solve on a copy nd snd me fast

Answer 1

o.5 mol of o2
1 mol of o2 is 6.o22×10 to power 23
then multiply 0.5× 6.022× 10 to the power 23 ×molar mass of o2 16×2=32

Answer 2

weight of the co2 is 32.


hope this helps you....!