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8 April, 07:41

A 1.2-liter tank at a temperature of 27°C contains a mixture of 1.5 moles of oxygen, 1.2 moles of nitrogen, and 1.6 moles of hydrogen. What is the total pressure of the mixture inside the tank? (R = 0.08205 L atm/K mol)

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  1. 8 April, 08:05
    0
    You can use PV=nRT to figure this out, solving for P. In this case:

    V = 1.2 L

    n = 1.5 + 1.2 + 1.6 = 4.3 mol (assuming the question is giving moles of molecular O/N/H)

    R = 0.08205 L atm/K mol

    T = 27C = 300 K

    P = nRT/V = 4.3 * 0.08205 * 300 / 1.2 = 88.2 atm
  2. 8 April, 08:31
    0
    Correct answer is 88.23 atmospheres.
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