Author Question: Which compound has the percent composition of 15.8 Al, 28.1 S and 56.1 O? A) Al2(SO4)3 B) ... (Read 65 times)

Alygatorr01285

  • Hero Member
  • *****
  • Posts: 564
Which compound has the percent composition of 15.8 Al, 28.1 S and 56.1 O?
 
  A) Al2(SO4)3
  B) Al2(SO3)3
  C) Al2S3
  D) Al2(S2O3)3

Question 2

Which solution is the most basic solution?
 
  A) a solution whose H+ = 100
  B) a solution whose OH- = 10-14
  C) a solution whose pH = 0
  D) All of the above have the same degree of basicity.

Question 3

The mass of the electrons in atoms is generally regarded as
 
  A) significant.
  B) insignificant.
  C) comparable to the mass of the nucleus.
  D) unknown.



sultana.d

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

A

Answer to Question 2

D

Answer to Question 3

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

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).

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?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

For a complete list of videos, visit our video library