Question

The average atomic mass of a sample of an element E is 23.4 u. What are the percentages of isotopes

22

12E and 24

12E in the sample?​

Answer 1

Answer:

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Explanation:

It is given that the average atomic mass of the sample of element X is 16.2 u. Let the percentage of isotope 8 18 X be y%. Thus, the percentage of isotope 8 16 X will be (100 − y)%. Therefore, the percentage of isotope 8 18 X is 10%.

Answer 2

Answer:

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Explanation:

It is given that the average atomic mass of the sample of element X is 16.2 u. Let the percentage of isotope 8 18 X be y%. Thus, the percentage of isotope 8 16 X will be (100 − y)%. Therefore, the percentage of isotope 8 18 X is 10%.

Explanation: