« previous next »

Author Question: A solution contains 20 mL of ethanol in a total volume of 100 mL. The concentration of this solution ... (Read 149 times)

Coya19@aol.com

  • Hero Member
  • *****
  • Posts: 601
on: Aug 27, 2018
A solution contains 20 mL of ethanol in a total volume of 100 mL. The concentration of this solution is
 
  A) 2.0 M.
  B) 2.0  by mass.
  C) 20  by mass.
  D) 20  by volume.

Question 2

Recycling of hazardous materials is important.
 
  Indicate whether the statement is true or false


Ksanderson1296

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

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?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Different parts of the body mature at different rates. “General” refers to the body as a whole: the Different parts of the body mature at different rates. “General” refers to the body as a whole: the
Function, even or odd, solution Function, even or odd, solution
What volume of a 0.831 M solution of CaCl2 contains 1.28 g of solute? What volume of a 0.831 M solution of CaCl2 contains 1.28 g of solute?
Which of the buffers below would be the BEST choice for making a solution capable of buffering ... Which of the buffers below would be the BEST choice for making a solution capable of buffering ...
What is the molarity (in mol/L) of the NaOH solution? What is the molarity (in mol/L) of the NaOH solution?
An aqueous solution has a normal boiling point of 103.0C. What is the freezing point of this ... An aqueous solution has a normal boiling point of 103.0C. What is the freezing point of this ...
Video: Allergic Rhinitis

For a complete list of videos, visit our video library