Isotopes Of Pennium Lab Answer Key [upd]

No. Average atomic mass depends on the relative abundance (percentage), not the total number of atoms. As long as the ratio remains 30/70, the average mass remains 2.68 g.

If you are looking for an "answer key," it is important to understand that your specific data will depend on the "pre-1982" and "post-1982" pennies in your sample. However, the logic and formulas remain constant. The Science Behind the Lab isotopes of pennium lab answer key

For more information on isotopes and the "Isotopes of Pennium Lab," we recommend the following resources: isotopes of pennium lab answer key

[ \frac\textTotal mass of all pennies\textTotal pennies = \frac54.8820 = 2.744 \text g ] isotopes of pennium lab answer key

= (Number of new pennies) / (Total number of pennies) 3. Calculating Average Atomic Mass