The average atomic mass of sample of an element X is 16.2 u. What are the percentages of isotopes and in the sample?
Also can we round off 16.2u to 16u and solve also what do you mean by sample of an element?? ​
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Explanation:
Yes, you may round of to 16 u, but it will introduce a diff. of 0. something in the answer. And, by the sample of an element, they mean that they have taken that element in a particular amount from a source.
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