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Innovating Science® - APï®® Chemistry Lab #2: Beer's Law - Mass Percent of Copper in Brass
$46.75
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Manufacturer ID - IS8102
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.
Description
Students will design a laboratory procedure to analyze the amount of copper in brass using a spectrophotometer. Students identify the correlation among wavelength, absorbance, and concentration for each of three possible ions that may be obtained from brass: copper, zinc, and iron. 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 1, Investigation 2, and Primary Learning Objective 1.16.
Kit Includes:
50mL Cupric Nitrate 0.1M
50mL Cupric Sulfate 0.1M
50mL Ferric(III) Nitrate 0.1M
50mL Ferric Sulfate 0.1M
50mL Zinc Nitrate 0.1M
50mL Zinc Sulfate 0.1M
100mL Cupric Nitrate 0.4M
100mL Nitric Acid 70%
20g Brass Pellets
Materials needed but not supplied:
Beakers, 50mL
Graduated Cylinders, 50mL
Pipets
Pipet Bulbs
Volumetric Flask, 100ml
Test Tube Racks
Watch Glasses
Test Tubes
Wash Bottle
96-well Reaction Plates
Distilled Water
Spectrophotometer w/ Cuvettes
Electronic Balance
DOT Info:
UN2031, Nitric acid, 8(5.1), II
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.
Kit Includes:
50mL Cupric Nitrate 0.1M
50mL Cupric Sulfate 0.1M
50mL Ferric(III) Nitrate 0.1M
50mL Ferric Sulfate 0.1M
50mL Zinc Nitrate 0.1M
50mL Zinc Sulfate 0.1M
100mL Cupric Nitrate 0.4M
100mL Nitric Acid 70%
20g Brass Pellets
Materials needed but not supplied:
Beakers, 50mL
Graduated Cylinders, 50mL
Pipets
Pipet Bulbs
Volumetric Flask, 100ml
Test Tube Racks
Watch Glasses
Test Tubes
Wash Bottle
96-well Reaction Plates
Distilled Water
Spectrophotometer w/ Cuvettes
Electronic Balance
DOT Info:
UN2031, Nitric acid, 8(5.1), II
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.Specification
| Brand Name | Innovating Science® |
|---|---|
| Performance Expectations | 5-PS1-3 5-PS1-4 |
| Cross Cutting Concepts | Cause and Effect Scale, Proportion, and Quantity |
| Engineering Practices | Planning and Carrying Out Investigations |
| Box Used | 12663SBOX |
| Width (in) | 6.25 |
| Height (in) | 4 |
| Weight (oz) | 19.9 |
| Weight (lb) | 1.24 |
| Country of Origin | US |
| Harmonization Code | 9023.00.0000 |
| DOT Description | Non regulated |
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