Ozone (O3) filters the cosmic rays of sunlight. How many oxygen atoms are there in 0.2 mole of ozone (O3, molar mass 48.0 g/mol)?

  • (A) 6.02 x 1022
  • (B) 6.02 x 1023
  • (C) 3.61 x 1023
  • (D) 6 x 1023;
Correct Answer: C

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