« 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 103 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?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex James A. Garfield lies mortally wounded. After failing to locate the bullet, surgeons called in Alex
Converting Degrees, Minutes, Seconds to Degrees Converting Degrees, Minutes, Seconds to Degrees
Binding of the estrogen receptor to DNA, as inferred from solution NMR spectroscopy Binding of the estrogen receptor to DNA, as inferred from solution NMR spectroscopy
What will be the pH of the solution once equilibrium is established? What will be the pH of the solution once equilibrium is established?
Solution to linear and parabola Solution to linear and parabola
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: Double Stranded DNA Molecule Animation

For a complete list of videos, visit our video library