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AP EAMCET20226 Jul 2022Morning ShiftChemistrySome Basic Concepts of ChemistryActual

What is the atomic mass of Fe ? Given abundance of ⁵⁴ Fe =10 % aligned & ⁵⁶ Fe =85 % & ⁵⁷ Fe =5 % aligned

Options

  1. A55.65
  2. B55.75
  3. C55.85
  4. D55.95

Correct answer

C. 55.85

Step-by-step solution

Average atomic mass of Fe =54 0.1+56 0.85+57 0.05=55.85

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