Question

Predict whether each of these compounds is likely to be water-soluble. For those compounds which are soluble, indicate which ions are present in solution. (a) $\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}$ (b) $\mathrm{KCl}$ (c) $\mathrm{CuSO}_{4}$ (d) $\mathrm{FeCl}_{3}$

Name: Problem 12, Chapter 5: Chemistry: The Molecular Science
Uploaded: 2021-08-18T18:13:18-08:00
Duration: 2 min 9 s
Channel: Sima Sarker
Description: Predict whether each of these compounds is likely to be water-soluble. For those compounds which are soluble, indicate which ions are present in solution. (a) Ca(NO3)2 (b) KCl (c) CuSO4 (d) FeCl3

   Predict whether each of these compounds is likely to be water-soluble. For those compounds which are soluble, indicate which ions are present in solution.
(a) $\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}$
(b) $\mathrm{KCl}$
(c) $\mathrm{CuSO}_{4}$
(d) $\mathrm{FeCl}_{3}$

Chemistry: The Molecular Science

John W. Moore,… 4th Edition

Chapter 5, Problem 12

Instant Answer

Solved by Expert Sima Sarker

08/18/2021

Step 1

These rules state that all nitrates, alkali metals (like potassium and sodium), and ammonium compounds are soluble. Most sulfates are soluble, except for those of barium, calcium, strontium, silver, and lead. Most chlorides are soluble, except for those of silver, Show more…

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Predict whether each of these compounds is likely to be water-soluble. For those compounds which are soluble, indicate which ions are present in solution. (a) $\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}$ (b) $\mathrm{KCl}$ (c) $\mathrm{CuSO}_{4}$ (d) $\mathrm{FeCl}_{3}$

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Key Concepts

Ionic Dissociation

This concept involves the process by which an ionic compound separates into its individual ions when dissolved in water. Once dissolved, the ions are surrounded by water molecules (a process called hydration), leading to a distribution of positive and negative ions in solution. Understanding ionic dissociation is crucial in predicting the electrical conductivity of solutions and the behavior of ions in various chemical reactions.

Solubility Rules

These are empirical guidelines used to predict whether an ionic compound will dissolve in water. They provide information about common exceptions and general tendencies, such as the fact that compounds containing nitrate, alkali metal, and ammonium ions are usually soluble. This concept is essential when evaluating if a specific compound will form a homogeneous solution in water.

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