#18. The sample of 25.00 mL of 0.020 M NH3 is titrated with 0.016 M HCl. (a) Show the reaction between NH3 and H+. (b) Find the volume of 0.016 M HCl needed to reach the equivalence point. (c)Show the reaction of hydrolysis of product from the step (a). (d) Calculate the pH at the equivalence point(Ka of NH4+ is 5.6 x 10–10)

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A: b.

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A: (a)Initial pH:

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A: Answer is explained below.

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A:

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A:

Q: A)

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A:

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A:

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.