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Get Full Access to Chemistry: Structure And Properties - 2 Edition - Chapter 19 - Problem 122
Get Full Access to Chemistry: Structure And Properties - 2 Edition - Chapter 19 - Problem 122

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ISBN: 9780134293936 2043

## Solution for problem 122 Chapter 19

Chemistry: Structure and Properties | 2nd Edition

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Problem 122

A 0.0251-L sample of a solution of $$\mathrm{Cu}^{+}$$ requires 0.0322 L of 0.129M $$\mathrm{KMnO}_{4}$$ solution to reach the equivalence point. The products of the reaction are $$\mathrm{Cu}^{2+}$$ and $$\mathrm{Mn}^{2+}$$. What is the concentration of the $$\mathrm{Cu}^{2+}$$ solution?

Text Transcription:

Cu^+

Cu^2+

KMnO_4

Mn^2+

Step-by-Step Solution:
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CHM 031 Chemical Equilibria in Aqueous Systems Chapter 11 Notes Chapter 11 ​Solutions: Properties and Behavior 11.2 ​Energy Changes during Formation and Dissolution of Ionic Compounds ❏ Enthalpy of solution (Δ​H​ solution​ the overall energy change when a solute is dissolved in a solvent ❏ Enthalpy of hydration (Δ​H​ hydration​ the energy change when gas-phase ions dissolve in a solvent ❏ Lattice energy (​U​)​ - the enthalpy change that occurs when 1 mole of an ionic compound forms from its free ions in the gas phase ❏ Born-Haber cycle​ - a series of steps with corresponding enthalpy changes that describes the formation of an ionic solid from its constituent elements 11.3 ​Vapor Pressure of Solutions ❏ Raoult’s law​ - the principle that the vapor pressure of the solvent in a solution is equal to the vapor pressure of the pure solvent multiplied by the mole fraction of the solvent in the solution ❏ Ideal solution​ - a solution that obeys Raoult’s law 11.4 ​Mixtures of Volatile Solutes ❏ Fractional distillation​ - a method of separating a mixture of compounds on the basis of their different boiling points 11.5 C​ olligative Properties of Solutions ❏ Colligative properties​ - characteristics of solutions that depend on the concentration and not the identity of particles dissolved in the solvent ❏ Molality (​m​)​ - concentration expressed as the number of moles of solute per kilogram of solvent ❏ Van ‘t Hoff

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