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Unformatted text preview: so that it is not necessary to add observations to interpret the result. Prepare yourself for the lab: Exercise #5 (p. 21) ( 1 point) CrO 4 2-(aq) Cr 2 O 7 2-(aq) Balance the above reaction but first determine the oxidation state for each element in the reaction. Is this an example of an oxidation-reduction reaction? Even if you discover that it is not, you will find the the rules for materially balancing oxygen and hydrogen from the methods applied in balancing redox reactions to be useful in balancing this equation. Zumdahl Reference 4.10, Sample Exercise4.19 Prepare yourself for the lab quiz (p. 26) (2 points) Independently answer the two questions labeled 8 and 9 on page 26....
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