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OpenStudy (anonymous):
Please help :( An element has three naturally occurring isotopes. Use the information below to calculate the weighted average atomic mass of the element, showing both the setup and the final answer for the calculation.
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OpenStudy (anonymous):
OpenStudy (anonymous):
@Mertsj
OpenStudy (mertsj):
\[\frac{15.99 \times 99762 + 16.99 \times 38 + 17.99 \times 200}{100,000}\]
OpenStudy (anonymous):
so you just multiply all of them then add the results and divide by 100,000 to find the average atomic mass?
OpenStudy (anonymous):
@Mertsj
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OpenStudy (mertsj):
Is there some part of the expression I posted that you don't understand?
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