1. Knowing that these 2 molecules are always floating in the air, hypothesize why your distilled water ( which indeed was pure when put in the container and therefore should have been pH 7), instead had a pH between 5 and 6 (i.e. acidic, not neutral). 2. Hypothesize why the addition of sucrose did not change the pH of distilled water (a big hint to the answer is in the lab section on Acids & Bases).

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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H,O Lab Time: 1:30 Pm
H,0 + COH2 CozHcozt : PH -
AR+Neo
Air
1. Knowing that these 2 molecules are always floating in the air, hypothesize why your distilled water ( which
indeed was pure when put in the container and therefore should have been pH 7), instead had a pH between 5
and 6 (i.e. acidic, not neutral).
2. Hypothesize why the addition of sucrose did not change the pH of distilled water (a big hint to the answer is in
the lab section on Acids & Bases).
Transcribed Image Text:H,O Lab Time: 1:30 Pm H,0 + COH2 CozHcozt : PH - AR+Neo Air 1. Knowing that these 2 molecules are always floating in the air, hypothesize why your distilled water ( which indeed was pure when put in the container and therefore should have been pH 7), instead had a pH between 5 and 6 (i.e. acidic, not neutral). 2. Hypothesize why the addition of sucrose did not change the pH of distilled water (a big hint to the answer is in the lab section on Acids & Bases).
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