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

Author Question: The most useful ore of aluminum is bauxite, in which Al is present as hydrated oxides, Al2O3 xH2O. ... (Read 28 times)

Capo

  • Hero Member
  • *****
  • Posts: 545
The most useful ore of aluminum is bauxite, in which Al is present as hydrated oxides, Al2O3  xH2O.
 
  The number of kilowatt-hours of electricity required to produce 3.00 kg of aluminum from electrolysis of compounds from bauxite is ________ when the applied emf is 4.50 V.
  A) 0.0249
  B) 0.0402
  C) 26.8
  D) 13.4
  E) 40.2

Question 2

The concentration of sulfate ions in a 0.233 M solution of sulfuric acid is ________.
 
  A) 0.699 M
  B) 0.233 M
  C) 0.466 M
  D) 0.0777 M
  E) 0.155 M



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

phuda

  • Sr. Member
  • ****
  • Posts: 348
Answer to Question 1

E

Answer to Question 2

B




Capo

  • Member
  • Posts: 545
Reply 2 on: Aug 27, 2018
Wow, this really help


DylanD1323

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

For a complete list of videos, visit our video library