What Is the Hydroxide Ion Concentration in a Solution of 0.40

question 39

Multiple Choice

What is the hydroxide ion concentration in a solution of 0.40 M hypochlorous acid (HOCl) ?
K _a = 3.0×10 ^{- 8}

• A) 1.3×10 ^{- 8}
• B) 1.1×10 ^{- 4}
• C) 9.1×10 ^{- 11}
• D) 2.5×10 ^{- 14}
• E) none of these

Calculate and interpret measures of central tendency, including mean, median, mode, and midrange.

Recognize and compute quartiles and percentiles, understanding their role in data analysis.

Identify and calculate measures of dispersion, such as range, variance, and standard deviation.

Use Microsoft Excel 2010 for statistical calculations including mean, standard deviation, and mode.

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