1. Tardigrade
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  3. Chemistry
  4. What is weight average atomic mass of silicon, if it occurs naturally in 3 isotopes Si28, Si29, Si30 with the abundance of 92.2%, 4.7% and 3.1% respectively?

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Q. What is weight average atomic mass of silicon, if it occurs naturally in 3 isotopes $Si^{28}, Si^{29}, Si^{30}$ with the abundance of 92.2%, 4.7% and 3.1% respectively?

Solution:

Correct answer is (b) 28.1 amu