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Author Question: Silver possesses two stable isotopes: 107Ag (106.90 u) and 109Ag (108.90 u). If the average atomic ... (Read 58 times)

strangeaffliction

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Question 1

Rubidium possesses two stable forms and has an average mass of 85.5.  85Rb has a mass of 84.9 and a percent abundance of 72.2%. What is the mass of the other form of Rb?
◦ 86.1 u
◦ 85.7 u
◦ 88.3 u
◦ 87.1 u
◦ 89.4 u

Question 2

Silver possesses two stable isotopes: 107Ag (106.90 u) and 109Ag (108.90 u). If the average atomic mass of Ag is 107.87 u, what is the percent abundance of 107Ag?
◦ 48.5%
◦ 50.0%
◦ 51.5%
◦ 46.3%
◦ 53.8%


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Marked as best answer by strangeaffliction on Jul 8, 2021

heyhey123

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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strangeaffliction

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Reply 2 on: Jul 8, 2021
Thanks for the timely response, appreciate it


AmberC1996

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Reply 3 on: Yesterday
Excellent

 

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