Exhibit 15-4 Consider Dissolving NaF in Water as Shown in the Equation

question 108

Multiple Choice

Exhibit 15-4 Consider dissolving NaF in water as shown in the equation below to answer the following question(s) :
NaF (s) + H₂ O ( ) HF (aq) + NaOH (aq)
-Refer to Exhibit 15-4. What is the molar concentration of hydroxide, OH - , if the initial concentration of NaF is 0.100 M?

• A) [OH ^- ] = 1.47×10 ^{- 12} M
• B) [OH ^- ] = 1.21×10 ^{- 6} M
• C) [OH ^- ] = 6.8×10 ^{- 5} M
• D) [OH ^- ] = 8.25×10 ^{- 3} M
• E) [OH ^- ] = 8.25×10⁴ M

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