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 125 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?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Your heart beats over 36 million times a year.

For a complete list of videos, visit our video library