Answered

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How many moles of a gas can be contained in a 1600-cm° flask at 25°C and 75 kPa?

Sagot :

Volume=1600cm³=1.6dm³=1.6L

Temperature=25°C=273+25=298K

Pressure=75000Pa

Now

Apply ideal gas equation

  • PV=nRT
  • n=PV/RT
  • n=75000(1.6)/8.314(298)
  • n=48.43mol
jayilych4real

The number of moles needed is

n=48.43mol.

Calculations

Given the values of the volume and temperature, we would convert them to the required units.

Volume=1600cm³=1.6dm³=1.6L

Temperature=25°C=273+25=298K

Pressure=75000Pa

We would use the ideal gas equation

PV=nRT

n=PV/RT

n=75000(1.6)/8.314(298)

n=48.43mol

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