Solve the Problem $\left[ \mathrm { H } ^ { + } \right]$

question 88

Multiple Choice

Solve the problem.
-The hydrogen ion concentration of a substance $\left[ \mathrm { H } ^ { + } \right]$ is about $5.2 \times 10 ^ { - 7 }$ moles per liter. Find the $\mathrm { pH }$ . Round to the nearest tenth. Use the formula $\mathrm { pH } = - \log \left[ \mathrm { H } ^ { + } \right]$ .

• A) \(- 7.7\)
• B) \(6.3\)
• C) \(6.6\)
• D) \(7.7\)

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Definitions:

Automated Lathe

A machine used in the manufacturing process that is controlled by a computer, improving precision and efficiency in producing parts.

Capacity

The highest amount of production a company can maintain during a specific time frame under standard conditions.

Unused Capacity

Represents the available production or service capacity that is not currently being used or is underutilized.

Predetermined Overhead Rate

An estimated rate used to assign manufacturing overhead costs to individual products or job orders, calculated before the actual costs are known.