A Hypothetical Element,E,has Two Stable Isotopes

question 20

Multiple Choice

A hypothetical element,E,has two stable isotopes:
E-46 = 46.046 u 64.08%
E-51 = 50.826 u 35.92%
What is the average atom weight of the element?

• A)47.76 u
• B)48.44 u
• C)49.11 u
• D)48.50 u
• E)47.44 u

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