## Acid-base without algebra:
graphical treament of acid-base systems

Stephen K. Lower - Simon Fraser University

##

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#### Introduction: why bother?

#### Getting started: plotting the pH

#### Acetic acid: constsructing the plo t

#### Acetic acid: pH of HAc and NaAc solutions

#### Acetic acid: titration curve

#### Oxalic acid: a driprotic system

#### Ammonium formate: a "weak-weak" salt

#### Phosphate: a triprotic system

#### the Carbonate system

#### Glycine: a Zwitterion

#### Seawater

####

#### For more information :

- The Chem1 Textbook chapter Acid-base equilibria and calculations (a .pdf documement requiring Acrobat Reader) can be downloaded from the Digital Texts section of the ChemEd Web site.
- See the texts by Stumm and Morgan ("Aquatic Chemistry") or Snoeyink and Jenkins ("Water Chemistry").
- Log-C vs. pH plots are treated extensively in Part 2 of the Chem1 CAI lesson set Acid-base equilibria and calculations. See the Chem1 Web site for details.

© 1998 by Stephen Lower - Simon Fraser University - Burnaby/Vancouver Canada

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