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

Author Question: Which elements all belong in the same group? A) C, N, O B) Fe, Cu, Ni C) B, Si, As D) F, Cl, ... (Read 18 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
Which elements all belong in the same group?
 
  A) C, N, O
  B) Fe, Cu, Ni
  C) B, Si, As
  D) F, Cl, Br
  E) Al, Ge, Sb

Question 2

What is the concentration of FeCl3 in a solution prepared by dissolving 20.0 g of FeCl3 in enough water to make 275 mL of solution?
 
  A) 4.48  10-4 M
  B) 0.448 M
  C) 2.23 M
  D) 2.23  103 M



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

macmac

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

D

Answer to Question 2

B




melina_rosy

  • Member
  • Posts: 531
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)


TheDev123

  • Member
  • Posts: 332
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

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

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

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.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

For a complete list of videos, visit our video library