Bismark brown is a dye. Its molar mass is 228.3 g/mol. When the dye was
analyzed by a scientist, it was found that it contains 30.68% nitrogen. How many
nitrogen atoms are there in each Bismark brown molecule?

  • (A) 6
  • (B) 5
  • (C) 4
  • (D) 3;
Correct Answer: B

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