As I explained before in another topic partial pressure depends on how many mole of the substance is present in a mixture.
So we got 10 grams of each. How many mole are the oxigen hidrogen kripton argon, which one is more?
10 g of H2 = 5 mol of H2
10 g of O2 = 0.3125 mol O2
10 g of Kr = 0.1193 mol Kr
10 g of Ar = 0.2105 mol Ar
Hidrogen is the winner. Pi = P*(ni/n) so which gas has more mols in the mixture has more partial pressure.
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