The relative abundance of various isotopes of silicon is as Si(28) = 92.25%, Si(29) = 4.65% and Si(30) = 3.10 % . Calculate the average atomic mass of Silicon.(adsbygoogle = window.adsbygoogle || []).push({});

Ans : 28.11 u

Attempt. : I don't know how to start this problem .

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# Calculating average atomic mass

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