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

Author Question: How many moles and how many atoms of zinc are in a sample weighing 34.9 g? (Read 89 times)

sheilaspns

  • Hero Member
  • *****
  • Posts: 567
on: Feb 15, 2020

Question 1

What is the mass of one atom of the element hydrogen?
◦ 3.4 × 10-24 g
◦ 1.0 g
◦ 2.0 g
◦ 1.7 × 10-24 g

Question 2

How many moles and how many atoms of zinc are in a sample weighing 34.9 g?
◦ 0.533 mol, 8.85 × 10-25 atoms
◦ 1.87 mol, 1.13 × 1024 atoms
◦ 0.533 mol, 3.21 × 1023 atoms
◦ 1.87 mol, 3.10 × 10-24 atoms
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by sheilaspns on Feb 15, 2020

coyin

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Feb 15, 2020
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 55% of students answer this correctly


sheilaspns

  • Member
  • Posts: 567
Reply 2 on: Feb 15, 2020
Wow, this really help

EAN94

  • Member
  • Posts: 307
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

13 Carbon Atoms 13 Carbon Atoms
Parenting Styles Reported by a Representative Sample of American Adolescents Parenting Styles Reported by a Representative Sample of American Adolescents
Sample prescription for chlorhexidine. Sample prescription for chlorhexidine.
Sample of a business card design. Sample of a business card design.
The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ... The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ...
Sample lod score curves Sample lod score curves
Video: Erythropoietin (EPO)

For a complete list of videos, visit our video library