Round Your Answer to the Nearest Tenth, When Appropriate $\mathrm { pH } = - \log \left[ \mathrm { H } _ { 3 } \mathrm { O } ^ { + } \right]$

question 220

Multiple Choice

Round your answer to the nearest tenth, when appropriate. Use the formula $\mathrm { pH } = - \log \left[ \mathrm { H } _ { 3 } \mathrm { O } ^ { + } \right]$ , as
needed.
-Find the $\left[ \mathrm { H } _ { 3 } \mathrm { O } ^ { + } \right]$ if the $\mathrm { pH } = 2.3$ .

• A) \(5.0 \times 10 ^ { - 3 }\)
• B) \(3.6 \times 10 ^ { - 1 }\)
• C) \(2.7 \times 10 ^ { 1 }\)
• D) \(2.0 \times 10 ^ { 2 }\)

---

Definitions:

Commission

A fee paid to an agent or employee for transacting a piece of business or performing a service, especially a percentage of the money received from a sale.

Sale Probability

Sale probability is the likelihood that a product or service will be purchased within a specified timeframe, influenced by factors such as price, consumer preferences, and market conditions.

Shirk

involves avoiding or neglecting responsibilities and duties, particularly in a work context.

Moral Hazard

A situation where a party is more likely to take risks because the negative consequences of the risk will be borne by another party.