Question
Asked Apr 15, 2019
126 views

 What mass of copper could be electroplated on the cathode in an experiment were an average of 200 mA was passed through the cell for 35 minutes?

check_circle

Expert Answer

Step 1

Charge passing through the cell is determined using the given formula.

fullscreen
Step 2

Equation for the electrolysis of copper is given below. 2 moles of electron are needed to form 1 mole of copper. Hence each mole of Cu requires 19300 C (2×96500 C). therefore, number of Cu formed by 420 C is determined.

fullscreen
Step 3

Mass of copper deposited is ...

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Chemistry

Electrochemistry

Related Chemistry Q&A

Find answers to questions asked by student like you

Show more Q&A add
question_answer

Q: Where does the earth receive most of its energy? a. internal fusion b. external fission c. internal ...

A: "Thermonuclear fusion is the energy source of our sun, which is, in turn, the ultimate energy source...

question_answer

Q: 5. A balloon used for atmospheric research has a volume of 1.0 x 106 L. Assume that the balloon is f...

A: The combined gas law relates "before and after" atmospheric conditions of a gas.  The volume of heli...

question_answer

Q: 53.5 g of an ideal gas of molecular weight = 30.5 g/mol are confined at a pressure of 133 mmHg. The ...

A: According to ideal gas equation

question_answer

Q: 4HCN(l) + 5O2(g) 2H2O(g) + 4CO2(g) + 4N2(g) This reaction occurs spontaneously as written when all r...

A: Go is calculated by using following formula,ΔGo = ΔGoproduct   - ΔGoReactatnt

question_answer

Q: State 2 differences between SN1 and SN2  reaction? Give an example of each.

A: Substitution reactions are those reactions which involve substitution of a group with another. If th...

question_answer

Q: Project 2: Food Dye Spectroscopy   What method will you use to assess the absorbance-concentration r...

A: There is a relationship between concentration and absorbance.  This relationship is expressed by the...

question_answer

Q: 3)- Determine the total number of conformers and draw the Chair Structures of the conformers for the...

A: The most stable conformer of cyclohexane is the chair conformation. In the chair conformation, if th...

question_answer

Q: 3. Show how the following compound can be synthesized using an Aldol Condensation reaction.

A: Aldol condensation is a condensation reaction in which aldehyde having alpha-hydrogen reacts with en...

question_answer

Q: Which of the following is a furanose ring? CH2OH O. H ÓH OH HO a. CH2OH -O OH OH OH OH b. Both of th...

A: A furanose is a five membered ring system. A furanose ring contain four carbon atom and one oxygen a...