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Unformatted text preview: ] = 1 x 10-8 , [H 3 O + ] = 1 x 10-6 , pH = 6 (2pts) 4. Determine the [H 3 O + ] for a solution with pH = 12.0. 1 x 10-12 (2pts) 5. What is a buffer? Give an example. A buffer is a solution that resists a change in the pH of the solution. A buffer could be made in any of the following two ways 1. Add a weak acid to the salt of the weak acid example: HC 2 H 3 O 2 + NaC 2 H 3 O 2 or 2. . Add a weak base to the salt of the weak base example: NH 4 OH + NH 4 Cl (2 pts) 6. Balance the following neutralization reaction: H 2 SO 4 (aq) + 2 KOH (aq) à K 2 SO 4 + 2 H 2 O...
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This test prep was uploaded on 04/10/2008 for the course CHEM 231 taught by Professor Hanover during the Spring '08 term at Lansing.
- Spring '08