Chemistry 10th Edition

Published by Brooks/Cole Publishing Co.
ISBN 10: 1133610668
ISBN 13: 978-1-13361-066-3

Chapter 10 - Reactions in Aqueous Solutions I: Acids, Bases, and Salts - Exercises - The Arrhenius Theory - Page 368: 4

Answer

In order to check the presence of a strong, weak or nonelectrolyte in a solution, we can put two metal electrodes with a light bulb within the circuit in the solution. The light bulb will glow according to the concentration of ions in the solution. $Na_2SO_4$: Glows brightly, strong electrolyte. $HCN$: Glows dimly, weak electrolyte. $CH_3COOH$: Glows dimly, weak electrolyte. $CH_3OH$: Does not glow, nonelectrolyte. $HF$: Glows dimly, weak electrolyte. $HClO_4$: Glows brightly, strong electrolyte. $HCOOH$: Glows dimly, weak electrolyte. $NH_3$: Glows dimly, weak electrolyte.

Work Step by Step

See Figure 6-1 (Page 209).
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