« previous next »

Author Question: If a solution has a pH of 7, this means that A) there are no H+ ions in the wate (Read 856 times)

Hawke

  • Hero Member
  • *****
  • Posts: 679
on: May 28, 2013
If a solution has a pH of 7, this means that
A) there are no H+ ions in the water.
B) this is a solution of pure water.
C) the concentration of H+ ions in the water equals the concentration of OH- ions in the water.
D) this is a solution of pure water, and the concentration of H+ ions in the water is 10-7 M.
E) this is a solution of pure water, and the concentration of H+ ions equals the concentration of OH- ions in the water.


Celeste

  • Hero Member
  • Posts: 588
Reply #1 on: May 30, 2013
The answer I found is C. Let me know if you need more help!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Hawke

  • Hero Member
  • *****
  • Posts: 679
Reply #2 on: Jun 11, 2013
Thanks a lot, it was right ;D


« previous next »
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Solution (Polynomial Long Division) Solution (Polynomial Long Division)
Amphipathic Molecules In aqueous solution Amphipathic Molecules In aqueous solution
Eating Breakfast Means More Energy and Fewer Calories throughout the Day Eating Breakfast Means More Energy and Fewer Calories throughout the Day
Solution to Physics problem Solution to Physics problem
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. ...
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: Interpreting a cladogram Animation

For a complete list of videos, visit our video library