friasmatthew37
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  • 11-05-2022
  • Chemistry
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How many moles of helium gas are contained in a 7 L flask at STP

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981083
981083 981083
  • 11-05-2022

Answer:This might not help.

At STP, a 4.0-L flask contains 0.1784 moles of helium gas.

Explanation:

At STP. temperature of the helium gas = T = 273.15 KAt STP, pressure of the helium  gas = P = 1 atmVolume of the helium  gas at STP  = V = 4.0 L Moles of the helium  gas = nUsing an ideal gas equation :n = 0.1784 mol0.1784 moles of helium gas are contained in a 4.0-L flask at STP.

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