Question

How many moles of molecules are there in 16g oxygen

options
1)106
2)23
3)12
4)16

Answer 1

Oxygen is O2.
mols = grams/molar mass

Answer 2

O2 = 32 g/mol
so
16 g = 1/2 mol

Answer 3

thankyou :)

Answer 4

are you both teachers ??