Exhibit 2B Contains Information on the PK's of Some Common

question 52

Multiple Choice

Exhibit 2B Contains information on the pK's of some common buffers. Refer to Exhibit 2B. A carbonate buffer would work well at this pH:

• A) 4.0
• B) 6.0
• C) 8.0
• D) 10.0
• E) 6.0 and 10.0

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Definitions:

Tiananmen Square

The site of a 1989 pro-democracy protest in Beijing, China, which was forcibly suppressed by the government leading to significant loss of life and international condemnation.

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A form of government in which power is vested in the people, who rule either directly or through freely elected representatives.

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was the 42nd President of the United States, serving from 1993 to 2001, and is known for his policies on economic reform and his involvement in various political controversies.