« previous next »

Author Question: A solution contains 20 mL of ethanol in a total volume of 100 mL. The concentration of this solution ... (Read 85 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?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

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
Find the lateral area, total surface area, and volume of the frustum Find the lateral area, total surface area, and volume of the frustum
Cellulosic Ethanol Cellulosic Ethanol
Geoengineering is not a solution to climate change Geoengineering is not a solution to climate change
Delta Method Solution Delta Method Solution
A solution of CaCl2 with concentration of 5.5 M was diluted 10 times, 25 times and 3 times. ... A solution of CaCl2 with concentration of 5.5 M was diluted 10 times, 25 times and 3 times. ...
Video: Spinal Cord Injury Animation

For a complete list of videos, visit our video library