Innovating Science® - APï®® Chemistry Lab #16: Preparation of Effective Buffers
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Innovating_Science_IS8116
Manufacturer No
IS8116
Manufacturer ID - IS8116
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 #16: Preparation of Effective Buffers
Students will design a buffer that can maintain a pH within a narrow range when certain amounts of acid and base are added. The activity contains enough materials for 15 groups of students as well as a Teacher's Guide and Student Study Guide Copymasters. This lab meets Big Idea 6, Investigation 16, Primary Learning Objective 6.18.
Kit Includes:
1000mL 0.1M Acetic Acid
1000mL 0.1M Ammonia
1000mL 0.1M Sodium Dihydrogen Phosphate
1000mL 0.1M Citric Acid
1000mL 0.1M Sodium Monohydrogen Citrate
1000mL 0.2M Sodium Hydroxide
1000mL 0.2M Hydrochloric Scid
1000mL pH 7 Buffer
25g Sodium Acetate
25g Sodium Hydrogen Phosphate
25g Ammonium Chloride
50g Sodium Dihydrogen Citrate
50g Sodium Citrate
25g Sodium Chloride
Materials needed but not supplied:
Balance, Electronic, 0.01g Precision
Beakers, 150mL, 250mL
Buret, 50mL
Lab Stands w/ Burette Clamps
Graduated Cylinders, 10mL, 100mL
pH Meter
Magnetic Stirrer
Stirring Rod
Spatula
Stir Bar
Wash Bottle
Water, Distilled
DOT Info:
UN1824, Sodium hydroxide solution, 8, III, Ltd Qty.
Kit Includes:
1000mL 0.1M Acetic Acid
1000mL 0.1M Ammonia
1000mL 0.1M Sodium Dihydrogen Phosphate
1000mL 0.1M Citric Acid
1000mL 0.1M Sodium Monohydrogen Citrate
1000mL 0.2M Sodium Hydroxide
1000mL 0.2M Hydrochloric Scid
1000mL pH 7 Buffer
25g Sodium Acetate
25g Sodium Hydrogen Phosphate
25g Ammonium Chloride
50g Sodium Dihydrogen Citrate
50g Sodium Citrate
25g Sodium Chloride
Materials needed but not supplied:
Balance, Electronic, 0.01g Precision
Beakers, 150mL, 250mL
Buret, 50mL
Lab Stands w/ Burette Clamps
Graduated Cylinders, 10mL, 100mL
pH Meter
Magnetic Stirrer
Stirring Rod
Spatula
Stir Bar
Wash Bottle
Water, Distilled
DOT Info:
UN1824, Sodium hydroxide solution, 8, III, Ltd Qty.
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