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

Author Question: How many Br atoms are in 2.50 g of Br? (Read 31 times)

Triley39

  • Full Member
  • ***
  • Posts: 145
on: Nov 5, 2023

Question 1

Formaldehyde has the formula CH2O.  How many molecules are there in 0.11 g of formaldehyde?
◦ 6.1 × 10–27

◦ 3.7 × 10–3

◦ 4.0
◦ 2.2 × 1021

◦ 6.6 × 1022


Question 2

How many Br atoms are in 2.50 g of Br?
◦ 1.88x1022 Br atoms
◦ 1.51 x 1024 Br atoms
◦ 7.54 x 1021 Br atoms
◦ 6.02 x 1023 Br atoms
◦ 9.42 x 1021 Br atoms
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Triley39 on Nov 5, 2023

Tester

  • Full Member
  • ***
  • Posts: 185
Reply #1 on: Nov 5, 2023
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


Triley39

  • Member
  • Posts: 145
Reply 2 on: Nov 5, 2023
Thanks for the timely response, appreciate it

Dnite

  • Member
  • Posts: 297
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

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

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Single atoms form the nodes of an elementary quantum network Single atoms form the nodes of an elementary quantum network
Geometry of bonds when carbon is covalently linked to three or four other atoms Geometry of bonds when carbon is covalently linked to three or four other atoms
The ethanol molecule showing two carbon atoms, six hydrogen atoms, and one oxygen atom. The ethanol molecule showing two carbon atoms, six hydrogen atoms, and one oxygen atom.
The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ... The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ...
Atoms Atoms
How many gold atoms are contained in 3.75 moles of gold? How many gold atoms are contained in 3.75 moles of gold?
Video: Muscle Twitch and Muscle Tension - Motor unit size and force

For a complete list of videos, visit our video library