3.02 Isotopic Composition

This schooltube video is a must see if you do not understand how to do these problems. Some of the problems on this quiz require a periodic table. Atomic masses vary somewhat from one periodic table to another. To avoid confusion, use this periodic table for your calculations.

Also: to avoid rounding errors, keep all the work on the calculator and only round off at the very end to the specified number of sig figs.

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