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? A) 0.187 oxygen atoms ... (Read 125 times)

mmm

  • Hero Member
  • *****
  • Posts: 558
on: Aug 27, 2018
How many oxygen atoms are there in 7.00 g of sodium dichromate, Na2Cr2O7?
 
  A) 0.187 oxygen atoms
  B) 2.30  1021 oxygen atoms
  C) 1.60  1022 oxygen atoms
  D) 1.13  1023 oxygen atoms

Question 2

Ammonia is a strong base.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kaylee05

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

FALSE


mmm

  • Member
  • Posts: 558
Reply 2 on: Aug 27, 2018
Gracias!

mohan

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Membrane potential of a cell freely permeable to sodium only. Membrane potential of a cell freely permeable to sodium only.
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.
A difference in oxygen content between the atmosphere and the exhaust gases enables an O2S to ... A difference in oxygen content between the atmosphere and the exhaust gases enables an O2S to ...
When the propane is shut off, the oxygen sensor should read below 200 mV. When the propane is shut off, the oxygen sensor should read below 200 mV.
Recommended Intake of Sodium Recommended Intake of Sodium
You heat 3.952 g of a mixture of Fe3O4 and FeO to form 4.162 g Fe2O3. The mass of oxygen ... You heat 3.952 g of a mixture of Fe3O4 and FeO to form 4.162 g Fe2O3. The mass of oxygen ...
Video: Green alga life cycle Animation

For a complete list of videos, visit our video library