We can use the ideal gas law to calculate the moles of gas using the given pressure, volume and temperature. We're given:
P = 2.70 atm V = 200.0 L
T = 248 ˚C + 273.15 = 521.15 K n = ?
Suppose two 200.0-L tanks are to be filled separately with the gases helium and hydrogen. What mass of each gas is needed to produce a pressure of 2.70 atm in its respective tank at 248°C?
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