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Home Questions & Answers Science Chemical Engineering Question Answers Air has 21 % oxygen and 79 % nitrogen by volume. What is the average molecular weight ? (Atomic weight of O = 16, N =14)

    Air has 21 % oxygen and 79 % nitrogen by volume. What is the average molecular weight ? (Atomic weight of O = 16, N =14)

  • 29
  • 28.84
  • 29.3
  • 27.5

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