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NEET levelSingle correct optionDifficulty 1 of 3mc112

What is the mass of 6.72 L of methane (, ) measured at STP? Use 22.4 L/mol at STP.

  1. A
  2. B
  3. C
  4. D

Answer: C

Moles = 6.72/22.4 = 0.3 mol. Mass = moles x molar mass = 0.3 x 16 = 4.8 g.
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