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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro
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What reaction (oxidation or reduction) occurs at the

Chapter 18, Problem 6E

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QUESTION:

Problem 6E

What reaction (oxidation or reduction) occurs at the cathode of a voltaic cell? What is the sign of the cathode? Do electrons flow toward or away from the cathode?

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QUESTION:

Problem 6E

What reaction (oxidation or reduction) occurs at the cathode of a voltaic cell? What is the sign of the cathode? Do electrons flow toward or away from the cathode?

ANSWER:

AnswerStep 1Salt water:Brine, a solution of salt. Brackish water, water that is saltier than freshwater, but less salty than seawater. Seawater, water from oceans or seas or both. Saline (medicine), a solution of sodium chloride insterile water.Seawater is water from a sea or ocean. On average, seawater in the world's oceans has asalinity of approximately 3.5%, or 35 parts per thousand. This means that for every 1 litre (1000mL) of seawater there are 35 grams of salts (mostly, but not entirely, sodium chloride) dissolvedin it.

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