Vitellium (Vi) has the following composition:

Vi-188: 187.9122 amu; 10.861%
Vi-191: 190.9047 amu; 12.428%
Vi-193: 192.8938 amu; 76.711%

Based on this data, what can you predict about the average atomic mass of vitellium?

Question

Vitellium (Vi) has the following composition:

Vi-188: 187.9122 amu; 10.861%
Vi-191: 190.9047 amu; 12.428%
Vi-193: 192.8938 amu; 76.711%

Based on this data, what can you predict about the average atomic mass of vitellium?

aaronq · Answer

$average~atomic~mass=\Sigma(m_{isotope~A}*\%~Abundance_{isotope~A}) $

aaronq · Answer

in other words, find the weighted average of the data set.