How many moles
are equal to
4.11x1023
molecules of
CO2?

1.47

Explanation:

1) Avogadro number is: 6.022*10²³ molecules per mol;

2) if 6.022*10²³ molecules are in 1 mol, then 4.11*10²³ molecules are in

x=6.022*10²³ / 4.11*10²³=6.022/4.11≈1.47 moles.