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Innovating Science™ Disappearing Rainbow

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Disappearing Rainbow
Description
Includes
Materials for five demonstrations: 800 mL Sodium Hydroxide solution; 50 mL Sodium Hydroxide, 3M; 1 L Hydrochloric Acid, 0.01M; violet, blue, green, yellow, orange and red indicators; and instructions
- In a basic solution, phenolphtalein is red, p-nitrophenol is yellow and thymolphthalein is blue
- These can be combined in various ways to create all the colors of the rainbow
- If done correctly, students only see the acid or base being poured, adding to the impressive display
Specifications
Specifications
Product Type | Disappearing Rainbow Demonstration Kit |
Color | White |
Grade | 7 to 14 |
Age | 13 to 20 |
For Use With (Application) | Use acids and bases with three indicators to create a rainbow of colors |
Includes | 25 mL Red indicator UN1170, 25 mL orange indicator UN1170, 25 mL yellow indicator UN1170, 25 mL green indicator UN1170, 25 mL blue indicator UN1170, 25 mL violet indicator UN1170, 2 x 30 mL Hydrochloric Acid 1N UN1789, 2 x 30 mL Sodium Hydroxide 1N UN1824, 30 mL Sodium Hydroxide Sol 6M (6N) UN1824 |
Quantity | 1 |
Dimensions (L x W x H) | 5.5 x 4.25 x 6.75 in. |
Class Size | 6 Lab Groups |
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