Innovating Science® - APï®® Chemistry Lab #8: Determination of the Actual Percentage of Hydrogen Peroxide
Manufacturer ID - IS8108
Students will learn about acids and bases through a class discussion and then test a dilute acid and dilute base with neutral litmus paper to learn how the paper indicates something is acidic or basic. Once that skill is learned they can move on to test some common items that would be found around their house to determine if they are acids or bases. Optional: Extra litmus paper is included to test more items either from home or around the school building for a greater understanding of acids and bases. The activity contains enough materials for 6 groups of students.
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Description / Innovating Science® - APï®® Chemistry Lab #8: Determination of the Actual Percentage of Hydrogen Peroxide
Students will determine the actual concentration of the Hydrogen Peroxide in the bottle by titration and determine if it is lower than the value on the label. Hydrogen Peroxide will degrade over time, and students will determine how much it degrades. The activity contains enough materials for 15 groups of students as well as a Teacher's Guide and Student Study Guide Copymasters. Meets Big Idea 3, Investigation 8, Primary Learning Objective 3.9.
Kit Includes:
1000mL Iron Ammonium Sulfate, 0.1M
1000mL Potassium Permanganate, 0.02M
1000mL Sulfuric Acid, 6M
250mL Hydrogen Peroxide, 3%
250mL Hydrogen Peroxide, 6%
500mL Deionized Water
Materials needed but not supplied:
Buret, 50mL
Lab Stands w/ Clamps
Assorted Volumetric Pipettes
Pipette Bulbs or Pi-Pumps
Various Erlenmeyer Flasks
Various Graduated Cylinders
DOT Info:
UN2796, Sulfuric acid, 8, II, Ltd Qty
WARNING: This product can expose you to chemicals including Strong inorganic acid mists containing sulfuric acid, which are known to the State of California to cause cancer. For more information go to http://www.P65Warnings.ca.gov.