Chemistry and Chemical Reactivity (9th Edition)

by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.

Published by Cengage Learning

ISBN 10: 1133949649

ISBN 13: 978-1-13394-964-0

Chapter 13 Solutions and Their Behavior - Study Questions - Page 505c: 51

Answer

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Work Step by Step

a) $BaCl_2(aq)+Na_2SO_4(aq)\rightarrow BaSO_4(s) + 2\ NaCl(aq)$ b) The barium sulfate particles form a suspension and the cloudy appearance is the Tyndall effect: the particles scatter visible light. c) Since it has a very low solubility, the barium sulfate particles start to precipitate.

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