What Is the PH of an Aqueous Solution at 25

question 61

Multiple Choice

What is the pH of an aqueous solution at 25.0 °C that contains 3.98 × 10^-9 M hydronium ion?

• A)8.400
• B)5.600
• C)9.000
• D)3.980
• E)7.000

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Definitions:

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion in a set of data points.

Risk-free Asset

An investment that is assumed to have no risk of financial loss, typically represented by government bonds.

Nominal Terms

Values or figures that have not been adjusted for inflation, representing current prices or values.

Treasury Bills

Short-term U.S. government debt obligations with maturities of one year or less, considered a safe and liquid investment.