Question

Q
An element have 40% and 25% percentage amounts of A and B in its isotopes A, B and C then calculate average atomic mass for element. If their mass numbers
are 29, 30, 31 respectively:-
1. 30.1
2. 29.95
3. 30.05
4. 30.15
​

Answer 1

Answer:

4. 30.15

Explanation:

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Answer 2

Answer:

30.15

Explanation:

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