Because of their different molar masses, H2 and D2 effuse
Chapter 22, Problem 22.78(choose chapter or problem)
Because of their different molar masses, H2 and D2 effuse at different rates (Section 5.6). (a) If it takes 16.5 min for 0.10 mol of H2 to effuse, how long does it take for 0.10 mol of D2 to do so in the same apparatus at the same T and P? (b) How many effusion steps does it take to separate an equimolar mixture of D2 and H2 to 99 mol % purity?
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