Calculate the pH, degree of dissociation and concentration of various species in a
solution of 0.2 M ammonium hydroxide which also contains 0.2 M ammonium chloride (Kb
for ammonium hydroxide = 1.79 × 10–5 mol dm–3
).
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Answer:
step 2 after the photo
(h+)=(HCl)=ch
=0.2*527=1.054*10
step 3 ph=-log (h+)
=-log(1.054*10power -5)
=4.9771
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