« previous next »

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 128 times)

iveyjurea

  • Hero Member
  • *****
  • Posts: 555
on: Aug 27, 2018
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
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Ishihara color plate for testing color blindness. Ishihara color plate for testing color blindness.
Solution (Polynomial Long Division) Solution (Polynomial Long Division)
Solution to Exponent Law Problem Solution to Exponent Law Problem
lab solution lab solution
A 0.51 m aqueous solution of an unknown solute has a boiling point elevation of 0.62°C. The ... A 0.51 m aqueous solution of an unknown solute has a boiling point elevation of 0.62°C. The ...
A buffer solution is prepared using 0.5 moles of a weakly basic drug and an unknown quantity of ... A buffer solution is prepared using 0.5 moles of a weakly basic drug and an unknown quantity of ...
Video: Structures that affect circulation - arterioles and vasomotor responses and venous return

For a complete list of videos, visit our video library