Question

Calculate The mass of 3.01x10^22 molecules of O2​

Answer 1

Answer:

16g

Explanation:

Moles of O2 = Molecules/ Avagadro number= 3.01×10²²/6.02×10²²

Moles = 0.5

Now

moles = mass / molar mass

0.5= mass / 32 (molecular mass of O2 = 2×16=32)

mass = 0.5×32 = 16g