The mass no. of 3 isotopes of an element are 11,12 and 13 units. Their percentage abundance is 80,15 and 5 respectively. What should be the atomic weight of the element?
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Answered by
18
The atomic mass = 11x 80 + 12x 15+ 13x5/100 = 11.25
Answered by
6
Answer:
11.25
Explanation:
11*80+12*15+13*5= 1125
1125/100= 11.25
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