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Eduard22sly

The mass of carbon monoxide, CO that must be placed in the 40 L tank is 58.52 g

How to determine the mole of CO

  • Volume (V) = 16.8 L
  • Pressure (P) = STP = 965 mmHg = 965 / 760 = 1.27 atm
  • Temperature (T) = 23 °C = 23 + 273 = 296 K
  • Gas constant (R) = 0.0821 atm.L/Kmol
  • Number of mole (n) =?

n = PV / RT

n = (1.27 × 40) / (0.0821 × 296)

n = 2.09 moles

How to determine the mass of CO

  • Molar mass of CO = 28 g/mole
  • Mole of CO = 2.09 moles
  • Mass of CO = ?

Mass = mole × molar mass

Mass of CO = 2.09 × 28

Mass of CO = 58.52 g

Learn more about ideal gas equation:

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