Write the Word or Phrase That Best Completes Each Statement $\mathrm { pH }$

question 280

Multiple Choice

Write the word or phrase that best completes each 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) \(7.3\)

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Definitions:

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The branch of pharmacology dealing with the effects of drugs and the mechanisms of their action in the body, including drug-receptor interactions.

Economic Context

The financial environment in which businesses and individuals operate, including factors like job market, inflation, and fiscal policy.

Political Context

The political environment and activities that influence policies, decisions, and societal attitudes.