How many moles are there in 3.612 X 10^24 molecules of phosgene (COCL2)

No of molecules = 3.612*10 (24)

Avogadro's number = 6.022*10 (23)

no of moles = No of molecules/Avogadro's number

No of moles = 3.612*10 (24) / 6.022*10 (23)

No of moles = 6mol