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

Author Question: Phenolphthalein has often been used to monitor the progress of acid-base neutralization reactions. ... (Read 46 times)

809779

  • Hero Member
  • *****
  • Posts: 579
Phenolphthalein has often been used to monitor the progress of acid-base neutralization reactions. What color will phenolphthalein be if there is an excess of base present?
 
  A) colorless
  B) green
  C) pink
  D) yellow

Question 2

What is the mass defect of the lithium-9 isotope in g/mol? Lithium-9 has an atomic mass of 9.0273 g/mol.
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Leostella20

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

C

Answer to Question 2

0.0485 g/mol




809779

  • Member
  • Posts: 579
Reply 2 on: Aug 27, 2018
Gracias!


scikid

  • Member
  • Posts: 300
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

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

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

For a complete list of videos, visit our video library