Author Question: How many minutes will it take to plate out 4.56 g of Ni metal from a solution of Ni2+ using a ... (Read 79 times)

iveyjurea

  • Hero Member
  • *****
  • Posts: 555
How many minutes will it take to plate out 4.56 g of Ni metal from a solution of Ni2+ using a current of 50.5 amps in an electrolytic cell?
 
  A) 2.47
  B) 4.95
  C) 4.55
  D) 148
  E) 297

Question 2

A 31.5 mL aliquot of H2SO4 (aq) of unknown concentration was titrated with 0.0134 M NaOH (aq). It took 23.9 mL of the base to reach the endpoint of the titration. The concentration (M) of the acid was ________.
 
  A) 0.0102
  B) 0.00508
  C) 0.0204
  D) 0.102
  E) 0.227



kxciann

  • Sr. Member
  • ****
  • Posts: 356
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

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

For a complete list of videos, visit our video library