Free Printable WorksheetScienceGrade 11Science CurriculumAP Chem Unit 9; NGSS HS-PS1-7 and HS-ETS1-2 connections; CCSS HSN-Q.A.1-3 and HSA-CED.A.2

11.117 Faraday's Laws and Quantitative Electrolysis Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Chemistry Science worksheet provides structured practice on 11.117 Faraday's Laws and Quantitative Electrolysis. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Faraday's Laws and Quantitative Electrolysis: Calculate moles of electrons, charge, current, time, and mass plated or produced in electrolysis. Aligned to NGSS, CCSS, AP Chemistry/Pre-AP Chemistry, and representative state chemistry framework crosswalks - AP Chem Unit 9; NGSS HS-PS1-7 and HS-ETS1-2 connections; CCSS HSN-Q.A.1-3 and HSA-CED.A.2 - Faraday's Laws and Quantitative Electrolysis Chemistry Standards Crosswalk: National: AP Chem Unit 9; NGSS HS-PS1-7 and HS-ETS1-2 connections; CCSS HSN-Q.A.1-3 and HSA-CED.A.2. State frameworks: MA HS-PS1-10(MA); FL SC.912.P.8.10; TX TEKS 112.43(c)(9); GA and VA oxidation-reduction/electrochemistry standards; CA/NY/NJ engineering-energy connections.

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Chemistry

Subject

Science

Domain

Science Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 11.117 Faraday's Laws and Quantitative Electrolysis skill assessments:

Problem 1Difficulty: Mastery

Use F = 96,500 C/mol e-. A CuSO4 cell runs at 0.750 A for 1.50 h and the cathode gains 0.960 g Cu. What fraction of the current plated Cu? The molar mass of Cu is 63.55 g/mol.

A36.0%

B100%

C139%

D72.0%

Solution & Explanation:Total charge is (0.750 A)(5,400 s) = 4,050 C. Theoretical copper mass is 1.33 g, so the plated fraction is 0.960/1.33 = 0.720, or 72.0%.

Problem 2Difficulty: Mastery

The same charge plates Sn from Sn²+ in one cell and Pb from Pb²+ in another. Using molar masses Sn = 118.71 g/mol and Pb = 207.2 g/mol, what mass relationship is expected?

ASn mass is about 1.75 times Pb mass.

BThe masses are equal because both ions are 2+.

CPb mass is about 1.75 times Sn mass.

DPb mass is exactly 2.00 times Sn mass.

Solution & Explanation:Both ions use 2 electrons per atom, so the same charge plates equal moles. The mass ratio equals the molar-mass ratio: 207.2/118.71 = 1.75.

Problem 3Difficulty: Mastery

Use F = 96,500 C/mol e-. A part is plated first with 1.00 g Ag from Ag+ and then with 1.00 g Cu from Cu²+. What total charge is required?

A1.97 x 10³ C

B3.93 x 10³ C

C4.83 x 10³ C

D8.94 x 10² C

Solution & Explanation:Ag requires (1.00/107.87) mol e-, or 894 C. Cu requires 2(1.00/63.55) mol e-, or 3,037 C. Total charge is about 3,931 C.

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Chemistry Science students. It aligns with educational standard AP Chem Unit 9; NGSS HS-PS1-7 and HS-ETS1-2 connections; CCSS HSN-Q.A.1-3 and HSA-CED.A.2 (National: AP Chem Unit 9; NGSS HS-PS1-7 and HS-ETS1-2 connections; CCSS HSN-Q.A.1-3 and HSA-CED.A.2. State frameworks: MA HS-PS1-10(MA); FL SC.912.P.8.10; TX TEKS 112.43(c)(9); GA and VA oxidation-reduction/electrochemistry standards; CA/NY/NJ engineering-energy connections.).