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A 27.0 mL sample of 0.356 M ammonia, NH3, is titrated with 0.249 M hydrobromic acid....

A 27.0 mL sample of 0.356 M ammonia, NH3, is titrated with 0.249 M hydrobromic acid.

(1) Before the addition of any hydrobromic acid, the pH is

(2) After adding 16.8 mL of hydrobromic acid, the pH is

(3) At the titration midpoint, the pH is

(4) At the equivalence point, the pH is

(5) After adding 55.6 mL of hydrobromic acid, the pH is

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Answer #1

Before additim g HBr Vz 27 mi C-0. 356M -log[0.3%) 45 ー 13-5 n.- 27 x 0.356 → 9.612 γ 16-8x0-49ラ4.1832 nasul tant 9.612-4.183

④ At sa uivalent point. 38.6 0.24 g 1 612 At Ike reutnalitetim point At lur ti trati m mid point, 13

HRY ⑤ After adding 55.6 ml 13.8 44 55 b +22 ラ

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