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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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Neetoo

Answer:

n₂ = 9.4 mol

Explanation:

Given data:

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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