The Acetate Ion,CH₃COO^-,reacts with Water as a Weak Base: CH₃COO^-(aq) $\leftrightarrows$

question 34

Multiple Choice

The acetate ion,CH₃COO^-,reacts with water as a weak base: CH₃COO^-(aq) + H₂O( ) $\leftrightarrows$ CH₃COOH(aq) + OH^-(aq) ,with K = 5.7 $\times$ 10^-10 at 25 ^$\circ$ C.If sodium acetate were dissolved in water to make a 0.50 M solution,what would be the resulting concentration of OH^-?

• A)0.50 M
• B)1.7 \(\times\)10^-5 M
• C)0.25 M
• D)1.1 \(\times\) 10^-9 M
• E)2.9 \(\times\) 10^-10 M

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