Chapter 7 Flashcards Preview

Analytical Chemistry > Chapter 7 > Flashcards

Flashcards in Chapter 7 Deck (6)
Loading flashcards...
1
Q

activity

A

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

2
Q

activity coefficient

A

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

3
Q

charge balance

A

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

4
Q

extended Debye-Huckel equation

A

Gives the activity coefficient as a function of ionic strength.

5
Q

ionic atomsphere

A

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

6
Q

mass balance

A

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.