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A mixture of helium and krypton gases at a total pressure of 775 mm Hg contains helium at a partial pressure of 155 mm Hg.

A mixture of helium and krypton gases at a total pressure of 775 mm Hg contains helium at a partial pressure of 155 mm Hg. If the gas mixture contains 0.252 grams of helium, how many grams of krypton are present? 9 kr

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