Which gaseous sample contains the greatest total number of atoms?
132.0 g of CO2132.0\text{ g of } \text{CO}_2132.0 g of CO2
40.0 g of CH440.0\text{ g of } \text{CH}_440.0 g of CH4
112.0 g of CO112.0\text{ g of } \text{CO}112.0 g of CO
56.0 g of N256.0\text{ g of } \text{N}_256.0 g of N2