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Some Basic Concepts of Chemistry question

2009 · Shift 1 · Q2
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Some Basic Concepts of Chemistry question

2009 · Shift 1 · Q2

JEE AdvancedChemistrySome Basic Concepts of ChemistryMCQ+1 / −0.25
Given that the abundances of isotopes 54Fe, 56Fe and 57Fe are 5%, 90% and 5%, respectively, the atomic mass of Fe is :
  1. A
    55.85
  2. B
    55.95
  3. C
    55.75
  4. D
    56.05
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