What Is the Hydronium Ion Concentration of a 0

question 128

Multiple Choice

What is the hydronium ion concentration of a 0.010 M solution of acetic acid? K_a for acetic acid is
1.8 *10^-5.

• A) 1.8 * 10^-3
• B) 1.8 * 10^-5
• C) 1.0 *10^-2
• D) 1.8 *10^-7
• E) 4.2 *10^-4

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