Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 16 - Problems: 16.3

Answer

See explanation below.

Work Step by Step

If water is used as a solvent, then the reactants for the reaction will be dissolved in it. Upon adding more water, the concentration of these reactants decreases. This will lead to fewer collisions among reactant molecules as they have more free space to move around. Hence the rate of reaction decreases.
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