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27 November, 19:17

What volume does 0.87mol of H2O (g) occupy 36.2oC and 1.25 atm?

A

2.06L

B

17.6L

C

37.1L

D

317L

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Answers (1)
  1. 27 November, 19:30
    0
    The answer is 17.66 L of volume occupy by water

    Explanation:

    According to ideal gas equation, the volume is calculated

    PV = nRT

    where V = volume

    P = Pressure =.

    n = number of moles,

    T = temperature

    Where R = 0.08206 L atm mol-1K-1 is constant

    Convert the temperature value from degree centigrade to kelvin 1 °C = 273.15 K

    By putting the values in the above equation as we have to find the volume so by adjusting

    V = nRT / P n = 0.87 mol P = 1.25 atm T = 36.2 °C = 309.35 K

    V = (0.87mol) x (0.08206 L atm mol-1K-1) x (309.3 K) / 1.25 atm

    V = 22.08 L atm / 1.25 atm

    Volume = 17.66 L
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