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29 August, 10:27

A flexible container at an initial volume of 8.15 L contains 4.51 mol of gas. More gas is then added to the container until it reaches a final volume of 16.9 L. Assuming the pressure and temperature of the gas remain constant, calculate the number of moles of gas added to the container.

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  1. 29 August, 12:09
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    n₂ = 9.4 mol

    Explanation:

    Given dа ta:

    Initial volume of gas = 8.15 L

    Initial number of moles of gas = 4.51 mol

    Final number of moles = ?

    Final volume of gas = 16.9 L

    Solution:

    Formula:

    V₁/n₁ = V₂/n₂

    V₁ = Initial volume

    n₁ = Initial number of moles

    V₂ = Final volume

    n₂ = Final number of mole

    Now we will put the values.

    8.15 L / 4.51 mol = 16.9 L / n₂

    n₂ = 16.9 L * 4.51 mol / 8.15 L

    n₂ = 76.22 L. mol / 8.15 L

    n₂ = 9.4 mol
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