Q. Calculate the number of atoms in 39.4 g gold. Molar mass of gold is 197g/mol:

  • (A) 1.20×10²³ atoms
  • (B) 1.5×10²³ atoms
  • (C) 1.25×10²³ atoms
  • (D) None of the above
✅ Correct Answer: (A) 1.20×10²³ atoms

Published by Praveen Singh ⭐ 36.81K Points at 01-Aug-2020 06:04 am in Science

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