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

Author Question: How many oxygen atoms are in 3.00 g of sodium dichromate, Na2Cr2O7? A) 0.0801 oxygen atoms B) ... (Read 52 times)

jilianpiloj

  • Hero Member
  • *****
  • Posts: 521
on: Aug 27, 2018
How many oxygen atoms are in 3.00 g of sodium dichromate, Na2Cr2O7?
 
  A) 0.0801 oxygen atoms
  B) 9.85  1020 oxygen atoms
  C) 6.90  1021 oxygen atoms
  D) 4.83  1022 oxygen atoms

Question 2

Ka for HX is 7.5  10-12. What is the pH of a 0.15 M aqueous solution of NaX?
 
  A) 7.97
  B) 1.96
  C) 6.00
  D) 8.04
  E) 12.10


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xoxo123

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

E


jilianpiloj

  • Member
  • Posts: 521
Reply 2 on: Aug 27, 2018
:D TYSM

robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Gracias!

« previous next »
 

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.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

sodium sodium
sodium sodium
Negative reading oxygen sensor voltage can be caused by several problems. Negative reading oxygen sensor voltage can be caused by several problems.
The post-catalytic converter oxygen sensor should display very little activity if the catalytic ... The post-catalytic converter oxygen sensor should display very little activity if the catalytic ...
Recommended Intake of Sodium Recommended Intake of Sodium
Normal nerve conduction of Sodium ion Normal nerve conduction of Sodium ion
Video: Regulation of GFR: three methods, autoregulation & autoregulation via myogenic mechanism

For a complete list of videos, visit our video library