How do I do this I am getting stuck because I’m not understanding how the Al3+ ion is not just taking one H and leaving the rest as OH like every other problem I have done
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Chemistry
Answer (1)
Thanks for your question!
Indeed, sometimes ions can dissociate into more than simple H+ ions! I recommend that you take the time to spell out the full chemical equation. That should help you write down the acidity constant and infer what the pH is. Remember:
This webpage from the Alloprof website explains the acidity constant:
Alloprof aide aux devoirs | AlloprofGrâce à ses services d’accompagnement gratuits et stimulants, Alloprof engage les élèves et leurs parents dans la réussite éducative.
Don't hesitate if you need more help!
Indeed, sometimes ions can dissociate into more than simple H+ ions! I recommend that you take the time to spell out the full chemical equation. That should help you write down the acidity constant and infer what the pH is. Remember:
This webpage from the Alloprof website explains the acidity constant:
Alloprof aide aux devoirs | AlloprofGrâce à ses services d’accompagnement gratuits et stimulants, Alloprof engage les élèves et leurs parents dans la réussite éducative.
Don't hesitate if you need more help!