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A balloon is filled with 54.8 g of N2 gas at STP. Calculate the volume of the N2 gas in liters.

A balloon is filled with 54.8 g of N2 gas at STP. Calculate the volume of the N2 gas in liters.

Answer

To calculate the volume of N2 gas at STP, we use the ideal gas law and the molar volume of a gas at STP (22.4 L/mol).

  1. Calculate the number of moles of N2:
    Molar mass of N2 = 28.02 g/mol
    Moles of N2 = 54.8 g / 28.02 g/mol = 1.956 moles
  2. Calculate the volume at STP:
    Volume = moles × molar volume at STP = 1.956 moles × 22.4 L/mol = 43.8 liters

The volume of the N2 gas is 43.8 liters.

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