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Acid and Bases Lab Essay

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Below is an essay on "Acid and Bases Lab" from Anti Essays, your source for research papers, essays, and term paper examples.

7-12-13
Lab Partner:
Unit #10- Determination of the pH of an Acid or Base using Indicators
Pre-Laboratory Questions
  1. Indicators are very special chemicals which changes color if the concentration of [H+] or [OH-] changes.
  2. Indicators help scientist determine the pH of a substance based on the color change exhibited whenever the indicators is put into that substance.
  3. The pH range for an acid is 1-6.
  4. The pH range for a base is 8-14.
Hypothesis
  * If the pH is tested for sprite, it will be a 4 making it an acid.
  * If the pH of aspirin is tested, it will be an 8 making it a base.
  * If the pH of baking soda is tested, it will be a 9 making it a base.
  * If the pH is tested for dish soap, it will be a 9 making it a base.
  * If the pH is tested for lemon juice, it will be a 3 making it an acid.
  * If the pH of table salt is tested, it will be a 8 making it a base.
  * If the pH of Gatorade is tested it will be a 4 making it an acid.
  * If the pH of Epsom salts is tested, it will be an 8 making it a base.
  * If the pH of tap water is tested, it will be a 6.5 making it an acid.
  * If the pH   is tested for distilled water, it will be a 7 making it neutral.
Independent and Dependent Variable
Sprite
The independent variable is the sprite.
The dependent variable is the pH.
Aspirin
The independent variable is the aspirin
The dependent variable is the pH.
Baking Soda
The independent variable is the baking soda.
The dependent variable is the pH.
Dish Soap
The independent variable is the dish soap.
The dependent variable is the pH.
Lemon Juice
The independent variable is the lemon juice.
The dependent variable is the pH.
Table Salt
The independent variable is the table salt.
The dependent variable is the pH.
Gatorade
The independent variable is the Gatorade.
The dependent variable is the pH.
Epsom salts
The independent variable is the Epsom salts.
The dependent variable is the pH.
Tap Water...

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