A container with a volume of 1.70 L was evacuated and then filled at low temperature with 0.0370 mol liquid dinitrogen tetroxide, N2O4. As the temperature was raised, this substance formed nitrogen dioxide, NO2: N2O4(9) = 2NO2 (g) a If the pressure of this reaction mixture at equilibrium at 25.0°C was 0.656 atm, what was the total moles of gas in this mixture? mol

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