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Although elemental chlorine, Cl2, is added to drinking water supplies primarily to kill

Introductory Chemistry: A Foundation | 7th Edition | ISBN: 9781439049402 | Authors: Steven S. Zumdahl, Donald J. DeCoste ISBN: 9781439049402 426

Solution for problem 91 Chapter 9

Introductory Chemistry: A Foundation | 7th Edition

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Introductory Chemistry: A Foundation | 7th Edition | ISBN: 9781439049402 | Authors: Steven S. Zumdahl, Donald J. DeCoste

Introductory Chemistry: A Foundation | 7th Edition

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Problem 91

Although elemental chlorine, Cl2, is added to drinking water supplies primarily to kill microorganisms, another beneficial reaction that also takes place removes sulfides (which would impart unpleasant odors or tastes to the water). For example, the noxioussmelling gas hydrogen sulfide (its odor resembles that of rotten eggs) is removed from water by chlorine by the following reaction: H2S(aq) _ Cl2(aq) S HCl(aq) _ S8(s) (unbalanced) What mass of sulfur is removed from the water when 50. L of water containing 1.5 _ 10_5 g of H2S per liter is treated with 1.0 g of Cl2(g)?

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Tuesday, August 30, 2016 Chemistry History of Chemistry - Leucippus & Democritus atomos (divide it until you couldn’t divide it anymore) • - Aristotle & Plato • earth + wind + fire + water *{[ARISTOTLE & PLATO WON ARGUMENT BECAUSE THEY ARE MORE WELL-KNOWN]}* - Modern Scientific Thoughts • Observation i) something seen • Law i) energy/matter cannot be created or destroyed - example ii) something proven iii) summary of multiple observations • Theory iv) explanation for an observation • Fact (can they change) v) can change v

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Chapter 9, Problem 91 is Solved
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Textbook: Introductory Chemistry: A Foundation
Edition: 7
Author: Steven S. Zumdahl, Donald J. DeCoste
ISBN: 9781439049402

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Although elemental chlorine, Cl2, is added to drinking water supplies primarily to kill