Mathematics · Averages and Atomic Calculations
If a sample of an element 'X' contains two isotopes, X-35 (25%) and X-37 (75%), what is the average atomic mass of the element?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 136.5 u✓
- 236.0 u
- 334.5 u
- 435.5 u
Correct answer
36.5 u
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