Ill Dauuulluga, interAme x (G What mass of Al(s) is required x earning.com/ibisc

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Ill Dauuulluga, interAme x (G What mass of Al(s) is required x earning.com/ibiscms/mod/ibis/view.php?ids 3315740 score 4/26/2017 10:00 AM 1.7s Gradebook Print calculator Periodic Table Question 2 of 9 Sapling Learning A flexible container at an of 251 mol of gas. More gas the container reaches a final volume of 17.3 L. Assuming the pressure and temperature gas remain constant, calculate the number of the of moles of to the 49.21 mol There is additional feedback view this feedback b bottom divider bar. bar again to hide the additional feedback AO Previous ® Give Up & view solution a Try Again 0Next l Exit Explanation

Explanation / Answer

assuming the gas obeys the ideal gas law..PV=nRT

initially, V1 = 7.14 L and n1 = 2.51 mole

now, PV1 = n1RT.....(i)

after adding the gas, V2 = 17.3 L and assumed that total mole = n2

now, PV2 = n2 RT....(ii)

dividing eq (i) by (ii)

V1/ V2 = n1 / n2 ....(iii) [ where P and T is constant, as per given condition]

solving equation (iii)

n2 = 6.08 mole

moles of gas added to the container = 6.08 - 2.51 = 3.57 mole

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