Grade Level: 6th – 8th; Type: Chemistry
Discover whether bond solutions of according distances from aloof pH (7) will actualize a band-aid abutting to pH 7. If not, what happens to the pH akin of these solutions already they are mixed?
pH is the way to admeasurement how acerb or basal a band-aid is. The calibration ranges from 0-14, with 0 actuality the best acerb and 14 actuality the best basic. 7 is neutral- it is neither basal nor acerb and stands for distilled water. An archetype of an acerb band-aid would be any affectionate of citrus abstract and an archetype of a basal band-aid would be baking soda or soap.
Suggested Chart
Separated
Color Shown on pH Paper
Equivalent pH Value
Milk
Egg Whites
Rainwater
Baking Soda
Tums
Soda
Ammonia
Vinegar
Mixed
Color Shown on pH Paper
Equivalent pH Value
Milk Egg Whites
Rainwater Baking Soda
Tums Soda
Ammonia & Vinegar
Terms/Concepts: pH scale; acidity and basicity
References:
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Acid Base Reaction Worksheet
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