« previous next »

Author Question: How many moles of Co2+ are present in 0.200 L of a 0.400 M solution of CoI2? A) 2.00 B) 0.500 ... (Read 467 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
on: Aug 27, 2018
How many moles of Co2+ are present in 0.200 L of a 0.400 M solution of CoI2?
 
  A) 2.00
  B) 0.500
  C) 0.160
  D) 0.0800
  E) 0.0400

Question 2

The conjugate base of NH3 is ________.
 
  A) NH2-
  B) NH4+
  C) NH2OH
  D) H3O+
  E) OH-

Question 3

The correct ground-state electron configuration for silver is ________.
 
  A) Kr5s24d9
  B) Kr5s14d10
  C) Kr5s24d10
  D) Xe5s24d9
  E) Xe5s14d10


stanleka1

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

A

Answer to Question 3

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Time Line of Human History From Upper Paleolithic Period to the Present Time Line of Human History From Upper Paleolithic Period to the Present
Solution to Physics problem Solution to Physics problem
Business Math Question Solution Business Math Question Solution
Find the derivative by using the chain rule - Solution Help Find the derivative by using the chain rule - Solution Help
What is the identity of the precipitate? What is the molarity of the Na2CO3 solution What is the identity of the precipitate? What is the molarity of the Na2CO3 solution
A 230.0-mL sample of a 0.275 M solution is left on a hot plate overnight; the following morning ... A 230.0-mL sample of a 0.275 M solution is left on a hot plate overnight; the following morning ...
Video: Rods and Cones Animation

For a complete list of videos, visit our video library