If 200cm 3 of a gas at s.t.p. has a mass of 0.268g, what is…

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Chemistry WAEC 1989

If 200cm 3 of a gas at s.t.p. has a mass of 0.268g, what is its molar mass? (Molar volume of a gas at s.t.p. = 22.4 dm3)

  • 300g
  • 200g
  • 150g
  • 30g checkmark
  • 15g

The correct answer is: D

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