A solution prepared by mixing 100 mL of 0.10 M NaOH 140 mL of 0.10 M...

Question

Question

A solution prepared by mixing

100 mL of 0.10 M NaOH

140 mL of 0.10 M HCl

100 mL of 0.10 M NH₃

has a pH of:

K_b (NH₃) = 1.8 x 10^-5

Answer 1

Answer #1

since HCl and NaOH is strong acid and base so completely neutralize.

some amount of HCl left unreacted that react with NH3

then to draw ICE table.

then using ka to find the pH.

Answer 2

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