Question

An unknown element sample has 2 isotopes present. The first isotope has a mass of 6.017 amu and is

7.30% abundant. The second has a mass of 7.018 amu and an abundance of 92.7%. Calculate the
average atomic mass of this element

Answer 1

Calculating Atomic Mass

Change each percent abundance into decimal form by dividing by 100. Multiply this value by the atomic mass of that isotope. Add together for each isotope to get the average atomic mass.

Step-by-step explanation:

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