What is the mole weight of CO2?

The molar mass of carbon dioxide (CO2) is calculated by adding the atomic masses of its constituent elements. Carbon (C) has an Atomic Mass of approximately 12.01 g/mol, and oxygen (O) has an atomic mass of about 16.00 g/mol. Since CO2 contains one carbon atom and two oxygen atoms, the molar mass is 12.01 g/mol + 2 × 16.00 g/mol = 44.01 g/mol. Thus, the molar weight of CO2 is approximately 44.01 g/mol.