A 826.76 g sample of BrCl is in a 6342.7 mL container. What is the pressure of this gas in torr at 325.77 °C?

Question

A 826.76 g sample of BrCl is in a 6342.7 mL container. What is the pressure of this gas in torr at 325.77 °C?

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Mít Mít 2 months 2021-07-30T06:52:46+00:00 1 Answers 1 views 0

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    2021-07-30T06:54:35+00:00

    Answer:

    55.5atm

    Explanation:

    Using ideal gas law equation;

    PV = nRT

    Where;

    P = pressure (atm)

    V = volume (L)

    n = number of moles (mol)

    R = gas law constant (0.0821 Latm/molK)

    T = temperature (K)

    Molar mass of BrCl = 79.9 + 35.5

    = 115.4g/mol

    * mole = 826.76 g ÷ 115.4g/mol

    mole = 7.16mol

    * Volume = 6342.7 mL = 6342.7/1000 = 6.3427L

    * Pressure = ?

    * Temperature = 325.77 °C = 325.77 + 273 = 598.77K

    PV = nRT

    P = nRT/V

    P = (7.16 × 0.0821 × 598.77) ÷ (6.3427)

    P = 351.98 ÷ 6.3427

    P = 55.5atm

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