what is the difference between exhaled and inhaled air ( in respect to Molar Mass)?

To determine the difference in molar mass between exhaled and inhaled air, we need to understand the composition of these two types of air.

Inhaled air is the air that enters our respiratory system when we breathe in. It contains several components such as oxygen (O2), nitrogen (N2), carbon dioxide (CO2), and trace amounts of other gases.

Exhaled air, on the other hand, is the air that leaves our respiratory system when we breathe out. It primarily consists of carbon dioxide (CO2) and small amounts of other gases.

To calculate the molar mass of a gas, we need to know the molecular formula of the gas and the molar mass of each element present in the formula. In this case, we can assume the molar mass of oxygen to be around 32 g/mol, nitrogen to be around 28 g/mol, and carbon dioxide to be around 44 g/mol.

Now, the difference in molar mass between exhaled and inhaled air is primarily due to the change in the concentration of gases. Inhaled air contains a higher concentration of oxygen (O2) and nitrogen (N2) compared to exhaled air, while exhaled air contains a higher concentration of carbon dioxide (CO2). Since the molar masses of oxygen, nitrogen, and carbon dioxide are different, the overall molar mass of exhaled air would be higher than that of inhaled air due to the increased concentration of carbon dioxide.

Note that the exact molar mass of both exhaled and inhaled air can vary depending on various factors such as environmental conditions, individual metabolism, and overall health.