Asked by vivian

What would be the pH of a 0.563 M solution of ammonia (NH3) at room temperature? The Kb of ammonia is 1.78 × 10−5.
1. 2.5
2. 7
3. 9
4. 4.5
5. 11.5

( I did this problem but apparently 4.5 isnt the answer)
Answered by DrBob222
See your other post above.
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