This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Calculate the atomic mass of tungsten given the atomic mass and percent abundance for the following ... (Read 250 times)

ENagel

  • Hero Member
  • *****
  • Posts: 540
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
Buy Test-Bank


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
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.
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

emsimon14

  • Member
  • Posts: 344
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Changes in the abundance and egg-hatching success rate of prairie chickens. Changes in the abundance and egg-hatching success rate of prairie chickens.
The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
A Coronal Mass Ejection A Coronal Mass Ejection
Body mass index table. Body mass index table.
Air-Mass Thunderstorms Air-Mass Thunderstorms
Calculate the amount of interest that will be charged on $9000.00 borrowed for four months at ... Calculate the amount of interest that will be charged on $9000.00 borrowed for four months at ...
Video: Types of Burns

For a complete list of videos, visit our video library