This topic contains a solution. Click here to go to the answer

Author Question: Calculate the atomic mass of tungsten given the atomic mass and percent abundance for the following ... (Read 271 times)

ENagel

  • Hero Member
  • *****
  • Posts: 540

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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by ENagel on Nov 18, 2019

k.lashomb

  • Sr. Member
  • ****
  • Posts: 346
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.
Answer Preview
Only 35% of students answer this correctly




ENagel

  • Member
  • Posts: 540
Reply 2 on: Nov 18, 2019
Thanks for the timely response, appreciate it


LegendaryAnswers

  • Member
  • Posts: 341
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

For a complete list of videos, visit our video library