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

Author Question: How many oxygen atoms are there in 7.00 g of sodium dichromate, Na2Cr2O7? (Read 116 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
on: Jul 8, 2021

Question 1

How many moles are there in 3.00 g of ethanol, CH3CH2OH?
◦ 0.00725 mol
◦ 0.0652 mol
◦ 15.3 mol
◦ 138 mol

Question 2

How many oxygen atoms are there in 7.00 g of sodium dichromate, Na2Cr2O7?
◦ 0.187 oxygen atoms
◦ 2.30 × 1021 oxygen atoms
◦ 1.60 × 1022 oxygen atoms
◦ 1.13 × 1023 oxygen atoms
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by luvbio on Jul 8, 2021

ririgirl15

  • Sr. Member
  • ****
  • Posts: 385
Reply #1 on: Jul 8, 2021
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


luvbio

  • Member
  • Posts: 623
Reply 2 on: Jul 8, 2021
Great answer, keep it coming :)

connor417

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Single atoms form the nodes of an elementary quantum network Single atoms form the nodes of an elementary quantum network
Membrane with ion channels and hydrated sodium ion and tetrodotoxin Membrane with ion channels and hydrated sodium ion and tetrodotoxin
An ignition- or mixture-related misfire can cause hash on the oxygen sensor waveform. An ignition- or mixture-related misfire can cause hash on the oxygen sensor waveform.
The penny shown below is covered with about 180 milligrams of sodium The penny shown below is covered with about 180 milligrams of sodium
0.300 moles of sodium nitrite are needed for a reaction. The solution is 0.450 M. How many mL ... 0.300 moles of sodium nitrite are needed for a reaction. The solution is 0.450 M. How many mL ...
Renal regulation of sodium and potassium balance Renal regulation of sodium and potassium balance
Video: Introduction to filtration - filtrate formation and composition

For a complete list of videos, visit our video library