Q. Number of atoms present in one mole of a gas at STP is

  • (A) 6.023 x 10^20
  • (B) 6.023 x 10^23
  • (C) 6.023 x 10^-23
  • (D) 6.023 x 10^-20
βœ… Correct Answer: (B) 6.023 x 10^23

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