A certain laser uses a gas mixture made up of 9.00 g HCL, 2.00 g H2, and 165.0 g Ne. What pressure is exerted by the mixture in a 75.0 L tank at 22 degree C? Which gas has the smallest partial pressure?
IDEAL GAS LAW AND PARTIAL PRESSURES
To solve this problem, we need to know the ideal gas law equation:
PV = nRT
Let's plug in the numbers of what we know.
V = 75.0 L
T = 22 C = (22 + 273) = 295 K
R = 0.08206 L-atm/mol-K
What else? We need to know n (moles) in order to calculate P (pressure).
We need to determine the total number of moles of gas.
We have 9.00 g ...
This solution discusses pressure exerted on a gas mixture.