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

question 67

Multiple Choice

Round your answer to the nearest tenth, when appropriate. Use the formula $\mathrm { pH } = - \log \left[ \mathrm { H } _ { 3 } \mathrm { O } ^ { + } \right] , \text {as }$ needed.
-Find the $\mathrm { pH }$ if $\left[ \mathrm { H } _ { 3 } \mathrm { O } ^ { + } \right] = 3.5 \times 10 ^ { - 7 }$ .

• A) \(6.7\)
• B) \(7.5\)
• C) \(6.5\)
• D) \(- 7.5\)

---

Definitions:

Mutual Benefit

A principle or arrangement in which all parties involved gain advantages or profits.

Recognition Needs

Recognition needs refer to the human desire for appreciation, acknowledgment, and validation of their achievements and skills.

Maslow's Hierarchy

A theory in psychology proposed by Abraham Maslow, which outlines a five-tier model of human needs, from basic physiological needs to self-actualization, motivating behavior.

Job Status

Represents the relative importance, prestige, or rank one holds in their profession or within their organization.