- 25.0-L tank contains 295 gN2, 135 g O2, and 24.0 He gases. Calculatethe partial pressure of each gas and the total gas pressure at20.0oC.
        (Answer:PN2 = 10.1 atm; PO2 = 4.06 atm;PHe = 5.77 atm; Ptotal = 19.9 atm)
- A 5.0-gallon gas tank containsN2 and H2 gas, such that the partial pressureof H2 is three times that of N2 gas. If thetotal gas pressure is 2.4 atm at 25oC, how many grams ofN2 and H2, respectively, are present?(Answer: 13 g of N2 and 2.8 g of H2)
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