The substance that shows increased solubility as the pH of the solution becomes more acidic is to be identified from the exercise 27 and 28 . The equations for the chemical reactions that occur to increase the solubility are to be stated. Concept introduction: The solubility of salt is affected by pH . The decrease in the value of pH has the opposite effect that is based on the application of Le Chatlier’s principle. The anions of strong acid and their salt is independent of pH value whereas anions of weak acid is affected by pH value. If the pH value of basic salt is decreased, its solubility will increase.
The substance that shows increased solubility as the pH of the solution becomes more acidic is to be identified from the exercise 27 and 28 . The equations for the chemical reactions that occur to increase the solubility are to be stated. Concept introduction: The solubility of salt is affected by pH . The decrease in the value of pH has the opposite effect that is based on the application of Le Chatlier’s principle. The anions of strong acid and their salt is independent of pH value whereas anions of weak acid is affected by pH value. If the pH value of basic salt is decreased, its solubility will increase.
Solution Summary: The author states the equations for the chemical reactions that occur to increase the solubility of salt.
Definition Definition Transformation of a chemical species into another chemical species. A chemical reaction consists of breaking existing bonds and forming new ones by changing the position of electrons. These reactions are best explained using a chemical equation.
Chapter 15, Problem 45E
Interpretation Introduction
Interpretation: The substance that shows increased solubility as the
pH of the solution becomes more acidic is to be identified from the exercise
27 and
28. The equations for the chemical reactions that occur to increase the solubility are to be stated.
Concept introduction: The solubility of salt is affected by
pH. The decrease in the value of
pH has the opposite effect that is based on the application of Le Chatlier’s principle. The anions of strong acid and their salt is independent of
pH value whereas anions of weak acid is affected by
pH value. If the
pH value of basic salt is decreased, its solubility will increase.
3. Two solutions are prepared using the same solute:
Solution A: 0.14 g of the solute dissolves in 15.4 g of t-butanol
Solution B: 0.17 g of the solute dissolves in 12.7 g of cyclohexane
Which solution has the greatest freezing point change? Show calculations and explain.
2. Give the ground state electron configuration (e.g., 02s² σ*2s² П 2p²) for these molecules and deduce
its bond order.
Ground State Configuration
Bond Order
H2+
02-
N2
1. This experiment is more about understanding the colligative properties of a solution rather than the determination of
the molar mass of a solid.
a. Define colligative properties.
b. Which of the following solutes has the greatest effect on the colligative properties for a given mass of pure water?
Explain.
(i) 0.01 mol of CaCl2
(ii) 0.01 mol of KNO3
(iii) 0.01 mol of CO(NH2)2
(an electrolyte)
(an electrolyte)
(a nonelectrolyte)
Chapter 15 Solutions
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