6) (10 points) If you have samples of 0.25 mol of H$_2$ gas and 0.50 mol of CO$_2$ gas, each one in a
separate container at STP, select the statement that is CORRECT and EXPLAIN why EACH
ONE of the other statements is incorrect:
a) The two gases have equal weights.
b) The two gases have equal molecular velocities.
c) The two gases occupy equal volumes.
d) The two gases have equal average molecular kinetic energies.
e) The two gases have equal effusion rates.