Ward's® AP Chemistry Investigation 2: Spectrophotometry: What is the Mass Percent of Copper in Brass?

Supplier: Ward's Science

Ward's® AP Chemistry Investigation 2: Spectrophotometry: What is the Mass Percent of Copper in Brass?

Ward's® AP Chemistry Investigation 2: Spectrophotometry: What is the Mass Percent of Copper in Brass?

470303-028 AD-KK7010-PK/10

470303-028KT 162.59 CAD

470303-028 470356-484

Ward's® AP Chemistry Investigation 2: Spectrophotometry: What is the Mass Percent of Copper in Brass?

Educational Materials Chemistry Educational Materials Applied Chemistry Learning Activities

Meets AP Science Practices 4, 5, and 6

Addresses Big Idea 1 & 3
Materials provided for 30 students working in pairs
Investigation includes updated literature aligned with new AP Chemistry curriculum standards

In this kit students will determine the mass percent of copper in a brass sample. Students will design and interpret the results of an experiment regarding the absorption of light to determine the concentration of an absorbing species in a solution and be able to relate measured mass of substances to identify stoichiometric relationships for a reaction. Includes copper (II) sulfate solution, copper (II) nitrate solutions, zinc nitrate solution, zinc sulfate solution, iron nitrate solution, iron sulfate solution, concentrated nitric acid, sodium bicarbonate, 20 brass 0.22 caliber shell casings, and 10 brass screws. Requires spectrophotometer or colorimeter, and cuvettes, available separately.

AP and Advanced Placement Programs are registered trademarks of the College Entrance Examination Board, which was not involved in the production of and does not endorse these products.

Includes:
Copper(II) Sulfate Solution
Copper(II) Nitrate Solutions
Zinc Nitrate Solution
Zinc Sulfate Solution
Iron(III) Nitrate Solution
Iron(III) Sulfate Solution
Nitric Acid
Sodium Bicarbonate
Brass Shell Casings
Brass Screws
Instructions

Required but Not Provided: Cuvettes, DI Water, Graduated Cylinders, Beakers, Test Tubes, Pipettes, Spectrophotometer or Colorimeter, Watchglass covers, Tape or marker, Graph paper, Lab notebook, Gloves, safety goggles, lab aprons and graphing software.

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