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1.A mixture of krypton and helium gases is maintained in a 7.52L flask at a pressure of 3.25atm and a temperature of 78C. If the

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1.A mixture of krypton and helium gases is maintained in a 7.52L flask at a pressure of 3.25atm and a temperature of 78C. If the gas mixture contains 25.5 grams of krypton, the number of grams of helium in the mixture is g. 2. How many grams of mercury(II) oxide are needed to produce 1.25L of oxygen gas according to the following reaction at 25C and 1 atm? mercury(II) oxide (s) mercury (I) + oxygen (g) grams mercury(II) oxide 3. PH2=PCH4=mmHgmmHg

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