The sample of 20.00 mL of 0.015 M NH3 is titrated with 0.030 M HCl.
(a) Show the reaction between NH3 and H+. (1 point)
(b) Find the volume of 0.030 M HCl needed to reach the equivalence point. (1 point)
(c) Show the reaction of hydrolysis of product from the step (a). (1 point)
(d) Calculate the pH at the equivalence point (Ka of NH4+ is 5.6 x 10–10). (1 point)
Hint: Use Tables.
Example of answer: (a) [show the reaction]; (b) Volume of HCl solution = [type your calculator answer without rounding] L; (c) [show the reaction]; (d) pH at the equivalence point = [type your answer with two digits after decimal].
The sample of 20.00 mL of 0.015 M NH3 is titrated with 0.030 M HCl. (a)...
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