A 014 M Aqueous Solution of the Weak Acid HA at at 25.0

question 100

Multiple Choice

A 0.14 M aqueous solution of the weak acid HA at 25.0 °C has a pH of 3.15.The value of K_a for HA is ________.

• A)7.08 × 10^-4
• B)3.58 × 10^-6
• C)5.01 × 10^-7
• D)7.02 × 10^-8
• E)none of the above

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Definitions:

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