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part b MISSED THIS? Read Section 6.6 (Piges 928 - 235) : Watch KCY 6.6. What is the partial pressure of the helium gas? A

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MISSED THIS? Read Section 6.6 (Piges 928 - 235) : Watch KCY 6.6. What is the partial pressure of the helium gas? A gas mixture with a total pressure of 770mmHg contains each of the tollowing gases at the indicated partid pressures: Express your answer in millimeters of mercury. 130mmHgCO2,224mmHgAr, and 189mmHgO2 The moture also contains helium gas. Correct Dalton's law of partial prussurua tialos that the totili prossure exerted by all of the exerted by the individual gases. The partial pressure of heltum is determined by st the total pressure Part B What mass of helium gas is present in a 11.4-L sample of this mixture at 268K ? Express your answer in grams

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