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OpenStudy (anonymous):
In any sample of iridium , 37.58% are Ir191 and 62.42% are Ir193. Calculate the atomic mass
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OpenStudy (matt101):
Atomic mass is the weighted average of the masses of the individual isotopes: 191(0.3758) + 193(0.6242) = 192.25
OpenStudy (anonymous):
Thank you!
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