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26: Acids and Bases: Arrhenius, Brønsted-Lowry, and Lewis Definitions, Acid Strength and pH
from http://ocw.mit.edu
tags: chemicles, acids, solid state, more...chemistry, physics, mit, university, college, biology, science, education less
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How to Sort Through Perfume Samples
from http://www.5min.com
tags: sense, scents, perfumes, more...fragrances, perfume, fragrance, scent, sample, samples, smell, ph, ingredients less
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