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Quant Analytical Chem > Activity > Flashcards

Activity Flashcards

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1
Q

Activity

A
  • relates ionic strength to concentration
  • value that replaces concentration in a thermodynamically correct equation
  • activity coefficient times concentration
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2
Q

Calculate activity coefficient

A
  1. Find ionic strength (or concentration)
  2. Compare to chart for coefficient

Only works for concentration less than .10 M

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3
Q

Interpolating

A

Unknown activity interval over known change

=

Known strength interval over known change in strength

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4
Q

Fugacity

A

Activity of a gas

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5
Q

Ionic Strength

A

Measure of total ions in solution.

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Quant Analytical Chem (6 decks)

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