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QUESTION
A gas mixture with a total pressure of 745 contains each of the following gases at the indicated partial pressures: , 249 ; , 118 ; and , 161 . The...
A gas mixture with a total pressure of 745 contains each of the following gases at the indicated partial pressures: , 249 ; , 118 ; and , 161 . The mixture also contains helium gas. What is the partial pressure of the helium gas? What mass of helium gas is present in a 13.5- sample of this mixture at 282 ?
