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

question 148

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 $\left[ \mathrm { H } _ { 3 } \mathrm { O } ^ { + } \right]$ if the $\mathrm { pH } = 11$ .

• A) \(3.0 \times 10 ^ { - 11 }\)
• B) \(2.0 \times 1011\)
• C) \(1.0 \times 1011\)
• D) \(1.0 \times 10 ^ { - 11 }\)

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True Beta

A measure of the volatility, or systematic risk, of a security or a portfolio in comparison to the market as a whole, adjusted for anomalies.

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The anticipated rate of return on an investment, often based on historical data or forecast models.

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A model that describes the relationship between risk and expected return and that is used in the pricing of risky securities.