Demonstrate your work. Remember to use the given letters to index your answers.

 

a) Hydrogen has a molar mass of 2.0 g/mol; oxygen has a molar mass of 32.0 g/mol. What is the ratio of their diffusion rates?

 

b) A mixture of oxygen, carbon dioxide, and nitrogen has a total pressure of 1.55 atm. What is the partial pressure of O2 if the partial pressure of CO2 is 0.70 and the partial pressure of N2 is 0.12 atm?

a mixture of oxygen, hydrogen, carbon dioxide and methane gases have a total pressure of 1.3 ATM. if the partial pressure of hydrogen is 2.4 PSI, the partial pressure of carbon dioxide is 110 torr can the partial pressure of methane is 0.22 ATM, how many mmhg does oxygen exert?

A mixture of of oxygen, of nitrogen, and of carbon dioxide has a total pressure of . What is the partial pressure of each gas? 

A mixture of helium, nitrogen, and oxygen has a total pressure of 760 mmHg . The partial pressures of helium and nitrogen are 237 mmHg and 202 mmHg , respectively.

What is the partial pressure of oxygen in the mixture?