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Author Question: Calculate the atomic mass of tungsten given the atomic mass and percent abundance for the following ... (Read 264 times)

ENagel

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on: Nov 18, 2019

Question 1

Bromine has two naturally occurring isotopes, Br-79 and Br-81. The atomic mass of Br-79 is 78.9183 u with a percent abundance of 50.69% and the atomic mass of Br-81 is 80.9163 u. Calculate the atomic mass of bromine.
◦ 79.90 u
◦ 80.03 u
◦ 78.92 u
◦ 80.92 u
◦ 80.91 u

Question 2

Calculate the atomic mass of tungsten given the atomic mass and percent abundance for the following isotopes:

W-180179.9467 u0.12%
W-182181.9482 u26.50%
W-183182.9502 u14.31%
W-184183.9509 u30.64%
W-186185.9544 u28.43%

◦ 182.98 u
◦ 183.92 u
◦ 183.84 u
◦ 183.75 u
◦ 184.41 u
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
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Marked as best answer by ENagel on Nov 18, 2019

k.lashomb

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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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ENagel

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Reply 2 on: Nov 18, 2019
Great answer, keep it coming :)

Chelseyj.hasty

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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