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

question 29

Multiple Choice

Exhibit 2B
Contains information on the pK's of some common buffers.
$\begin{array}{llrc}\text { Buffer } & \mathbf{p K} 1 & \mathbf{p K 2} & \mathbf{p K} 3 \\\hline \text { Acetate } & 4.75 & & \\\text { Ammonia } & 9.25 & & \\\text { Carbonic acid } & 6.37 & 10.20 & \\\text { Citric acid } & 3.09 & 4.75 & 5.41 \\\text { Formic Acid } & 3.75 & & \\\text { Phosphoric acid } & 2.14 & 7.20 & 12.4 \\\text { Pyruvic acid } & 2.50 & & \\\text { Tris } & 8.3 & &\end{array}$

-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

---

Definitions:

Privacy Paradox

The phenomenon where individuals express concern about their privacy but engage in behavior that compromises their privacy online.

Social Privacy

The aspect of privacy concerning an individual's management of data, information, and interactions in a social context, including social media and other forms of online communication.

Brand Ambassadors

Individuals, either customers or hired influencers, who promote and represent a brand's values and products to a wider audience, often through social media.

Devotees

Individuals who are extremely passionate or loyal to a specific brand, product, or cause.