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Flashcards in Chapter 7 Deck (6)
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1

activity

The value that replaces concentration in a thermodynamically correct equilibrium expression. [X]Activity coefficient

2

activity coefficient

The number by which the concentration must be multiplied to give activity.

3

charge balance

A statement that the sum of all positive charge in solution equals the magnitude of the sum of all negative charge in solution.

4

extended Debye-Huckel equation

Gives the activity coefficient as a function of ionic strength.

5

ionic atomsphere

The region of solution around an ion or a charged particle. It contains an excess of oppositely charged ions.

6

mass balance

A statement that the sum of the moles of any element in all of its forms in a solution must equal the moles of that element delivered to the solution.