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Question 20054
NEET Chemistry · Medium

Some Basic Concepts of Chemistry: Average mass MCQ

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Average massMediumQuestion 20054

Question

If an element has isotopes of masses 10 and 11 in ratio 1:3, average atomic mass is:

  1. A
    10.75
    Correct
  2. B
    10.5
  3. C
    11
  4. D
    10.25

Correct answer

10.75

Explanation

Weighted average = (10×1 + 11×3)/4.

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