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Author Question: Calculate the atomic mass of chromium if chromium has four naturally occurring isotopes with the ... (Read 193 times)

nelaaney

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on: Nov 18, 2019

Question 1

Gallium has an atomic mass of 69.723 u. The abundance of Ga-69 (68.926 u) is 60.11%. What is the atomic mass, in u, of the other isotope?
◦ 70.94 u
◦ 70.91 u
◦ 70.930 u
◦ 70.93 u
◦ 70.92 u

Question 2

Calculate the atomic mass of chromium if chromium has four naturally occurring isotopes with the following masses and natural abundances:

Cr-5049.9461 u4.35%
Cr-5251.9405 u83.79%
Cr-5352.9407 u9.50%
Cr-5453.9389 u2.36%

◦ 208.7 u
◦ 51.69 u
◦ 51.94 u
◦ 52.00 u
◦ 53.21 u
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
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Marked as best answer by nelaaney on Nov 18, 2019

Briannahope

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Reply #1 on: Nov 18, 2019
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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nelaaney

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Reply 2 on: Nov 18, 2019
Thanks for the timely response, appreciate it

kusterl

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Reply 3 on: Yesterday
Excellent

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