Question

Consider a solution initially containing 0.50 mol ammonia (NH3) and 0.30 mol of ammonium ion (NH4 +). What is the pH after addition of 0.20 mol of HCl to this solution?
(NH4+ , Ka = 5.6 × 10–10)

Answer 1

Answer:

46

Explanation:

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Answer 2

Answer:

pH = -log [H+]

pH= -log [H3O+] hydronium ion .

Explanation:

[H+ ] [oH- ]= 10^-14.