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A mixture of gases at 28°C and 1.12 atm contains 43% oxygen, 38% hydrogen, and 19%...

A mixture of gases at 28°C and 1.12 atm contains 43% oxygen, 38% hydrogen, and 19% nitrogen.

  1. What is the partial pressure of hydrogen?
  2. How many grams of oxygen are present in 1.28 L of this gas?
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