Question

The number of molecules of CO2 present in 44 g of CO2 is

Answer 1

44 grams CO2 mean 44/44=1 mole of the CO2. 1 mole CO2 implies total of 6.022 * 10^23 molecules of CO2. 1 molecule of CO2 has 3 atoms, therefore total atoms in 44 grams of CO2 has (6.022*10^23) * 3 = 18.066 * 10^23 atoms.