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

Author Question: Zinc has five naturally occurring isotopes, Zn-64, Zn-66, Zn-67, Zn-68 and Zn-70. Calculate the ... (Read 111 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
on: Nov 18, 2019

Question 1

Carbon has two naturally occurring isotopes, carbon-12 and carbon-13. The more common isotope of carbon is carbon-12 with an abundance of 98.93% while carbon-13 has an atomic mass of 13.00335 u. Calculate the atomic mass of carbon-12 if the atomic mass of carbon is 12.0107 u.
◦ 12.8 u
◦ 12.4 u
◦ 12.0 u
◦ 13.1 u
◦ 13.0 u

Question 2

Zinc has five naturally occurring isotopes, Zn-64, Zn-66, Zn-67, Zn-68 and Zn-70. Calculate the atomic mass of zinc given the following abundances and atomic masses for the isotopes:

Zn-6463.9291 u48.61%
Zn-6665.9260 u27.9%
Zn-6766.9271 u4.1%
Zn-6867.9248 u18.75%
Zn-7069.9253 u0.62%

◦ 64.8 u
◦ 66.3 u
◦ 65.4 u
◦ 65.1 u
◦ 66.7 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 JGIBBSON on Nov 18, 2019

jsm54321

  • Sr. Member
  • ****
  • Posts: 328
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 61% of students answer this correctly


JGIBBSON

  • Member
  • Posts: 538
Reply 2 on: Nov 18, 2019
Excellent

bigsis44

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Interventions for Selected Co-Occurring Conditions Interventions for Selected Co-Occurring Conditions
How to calculate mortgage payments (Question 1 of 2) How to calculate mortgage payments (Question 1 of 2)
How to calculate fuel costs How to calculate fuel costs
Easy way to remember to formula to calculate volume of a cylinder Easy way to remember to formula to calculate volume of a cylinder
Consequences of a double exchange occurring between two nonsister chromatids Consequences of a double exchange occurring between two nonsister chromatids
Gray Morris's Calculate with Confidence, Canadian Edition, 2nd Edition Gray Morris's Calculate with Confidence, Canadian Edition, 2nd Edition
Video: Deafness Culture

For a complete list of videos, visit our video library