The total pressure in the 8 L flask is 1.248 atm
From the question given above, the following data were obtained:
Volume (V) = 8 L
Mole of H₂ = 0.127 mole
Mole of N₂ = 0.288 mole
Total mole = 0.415 mole
Temperature (T) = 20 °C = 20 + 273 = 293 K
Gas constant (R) = 0.0821 atm.L/Kmol
The total pressure in the container can be obtained by using the ideal gas equation as follow:
PV = nRT
Divide both side by V
P = nRT / V
P = (0.415 × 0.0821 × 293) / 8
Thus, the total pressure in the container is 1.248 atm
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