0.131 mol of carbon dioxide gas, [tex]CO_2[/tex], are there in 2.94 L of this gas at STP.
The ideal gas equation, pV = nRT, is an equation used to calculate either the pressure, volume, temperature or number of moles of a gas.
We use the formula PV=nRT. The conditions STP are 1 atm of pressure and 273K of temperature:
PV=nRT
n=[tex]\frac{PV}{RT}[/tex]
n = [tex]\frac{1 atm\; X \;2.94 L}{0,082 l atm/K mol X 273K}[/tex]
n=0.131 mol
Hence, 0.131 mol of carbon dioxide gas, [tex]CO_2[/tex], are there in 2.94 L of this gas at STP.
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