“Investigating chemical reactions can be greatly complicated and often obscured by the presence of extraneous materials. So, the first step, therefore, is to learn how to analyze and classify materials to ensure that you are working with pure substances before initiating any reactions.”

— David W. Oxtoby

Principles of Modern Chemistry (7th ed., 2012), Ch. 1 : The Atom in Modern Chemistry

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David W. Oxtoby 13

President of Pomona college 1951

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“Investigating chemical reactions can be greatly complicated and often obscured by the presence of extraneous materials. So, the first step, therefore, is to learn how to analyze and classify materials to ensure that you are working with pure substances before initiating any reactions.”

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David W. Oxtoby 13

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