NH4F is a salt made from a weak base and a weak acid. The following questions are related to a 0.250 M NH4F (aq) solution at 25 degrees C. The Ka for HF (aq) is 6.8 ×10-4 and Kb for NH3 (aq) is 1.8 × 10-5. (a) What is the equation for the overall hydrolysis of NH4F (aq)? (b) What is the pH of this solution? (c) What is the equilibrium concentration of NH3?
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NH4F is a salt made from a weak base and a weak acid. The following questions are related to a 0.250 M NH4F (aq) solution at 25 degrees C. The Ka for HF (aq) is 6.8 ×10-4 and Kb for NH3 (aq) is 1.8 × 10-5.
(a) What is the equation for the overall hydrolysis of NH4F (aq)?
(b) What is the pH of this solution?
(c) What is the equilibrium concentration of NH3?
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