We’re being asked to calculate the mass and number of moles of dinitrogen difluoride (N2F2) gas that were collected.
We’re going to calculate the moles of N2F2 using the ideal gas equation.
P = pressure, atm
V = volume, L
n = moles, mol
R = gas constant = 0.08206 (L·atm)/(mol·K)
T = temperature, K
Dinitrogen difluoride gas is collected at -17.0°C in an evacuated flask with a measured volume of 30.0 L. When all the gas has been collected, the pressure in the flask is measured to be 0.260 atm. Calculate the mass and number of moles of dinitrogen difluoride gas that were collected.
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