Choose the One Alternative That Best Completes the Statement or Answers

question 292

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-The hydrogen potential, $\mathrm { pH }$ , of a substance is defined by $\mathrm { pH } = - \log \left[ \mathrm { H } ^ { + } \right]$ , where $\left[ \mathrm { H } ^ { + } \right]$ is measured in moles per liter. Find the pH of a sample of lake water whose $\left[ \mathrm { H } ^ { + } \right]$ is $3.05 \times 10 ^ { - 9 }$ moles per liter. (Round to the nearest tenth.)

• A) \(6.4\)
• B) \(10.1\)
• C) \(8.5\)
• D) \(7.3\)

---

Definitions:

Agile Development

A methodology of software development that emphasizes flexibility, collaboration, and customer feedback in the development process.

Waterfall Development

A linear and sequential approach to software development, where each phase must be completed before the next one begins.

Agile Development

A methodology for software development that emphasizes flexibility, customer participation, and iterative progress.

End-User Development

The practice enabling end users to create or modify software applications or systems without the need for professional programming skills.