What is the first step in calculating the mass of nickel plated onto the cathode?

Electrolysis and Molar Mass Concepts

Interactive Video
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Chemistry, Physics, Science
•
10th - 12th Grade
•
Hard

Olivia Brooks
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine the number of moles of electrons
Calculate the molar mass of nickel
Find the cell potential
Convert time from minutes to seconds
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many moles of electrons are required to plate one mole of copper?
Four moles
Three moles
Two moles
One mole
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molar mass of copper used in the calculation?
63.55 g/mol
55.85 g/mol
58.69 g/mol
65.38 g/mol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molar mass of iron used in the calculation?
63.55 g/mol
58.69 g/mol
55.85 g/mol
65.38 g/mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How long does it take to plate 10 grams of iron using a 5 amp current?
1.5 hours
1.9 hours
2.1 hours
2.5 hours
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of the unknown metal in the electrolysis problem?
Minus two
Minus one
Plus two
Plus one
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which metal was identified as the unknown metal based on its molar mass?
Zinc
Nickel
Lead
Copper
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