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प्रश्न
Given that the percentage abundance of the isotope `""_10^20"Ne"` is 90% and that of the isotope `""_10^22"Ne"` is 10%, calculate the average atomic mass of neon.
टिप्पणी लिखिए
उत्तर
Isotopes of Neon are `""_10^20"Ne" "and" ""_10^22"Ne"` with 90% and 10% abundance, respectively.
Average atomic mass of Neon = `20 xx[90/100] + 22[10/100]`
= `1800/100 + 220/100`
= 18.00 +2.2
= 20.2 u
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