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

Author Question: How many moles and how many atoms of zinc are in a sample weighing 34.9 g? (Read 45 times)

sheilaspns

  • Hero Member
  • *****
  • Posts: 567

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


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
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


adammoses97

  • Member
  • Posts: 337
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

For a complete list of videos, visit our video library