Exhibit 15-6 Consider an Aqueous 0

question 22

Multiple Choice

Exhibit 15-6 Consider an aqueous 0.25 M solution of NaCN to answer the following question(s) .
-Refer to Exhibit 15-6. What is the equilibrium molar concentration of hydroxide, [OH]_eq, in this 0.25 M solution of NaCN?

• A) 1.2×10 ^{- 10} M
• B) 5.1×10 ^{- 6} M
• C) 1.1×10 ^{- 5} M
• D) 2.3×10 ^{- 3} M
• E) 2.5×10 ^{- 1} M

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