anonymous
  • anonymous
Acid base equiblirum question!
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
How to make the eqaution ? from the info given?
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caozeyuan
  • caozeyuan
C, because it says second eq point, so the secondary dissociates of H3PO4 is H2PO4- to HPO42-
anonymous
  • anonymous
so if it didnt say second eq the answer would be ?

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anonymous
  • anonymous
@caozeyuan
caozeyuan
  • caozeyuan
A, because it means complete reaction, i.e. all three combined
anonymous
  • anonymous
so on my acid base table there are 2 sides , one acids and others bases only
anonymous
  • anonymous
so when the Q says second eq i only look at bases or what /
caozeyuan
  • caozeyuan
the second eq point means your acid is the one that has one proton removed
caozeyuan
  • caozeyuan
e.g what is the second eq point of H2SO4 with NaOH A: HSO4- + OH- = SO42- + H2O
caozeyuan
  • caozeyuan
you see here in my example the acid is not H2SO4 but HSO4-
caozeyuan
  • caozeyuan
Also, in your example, it is possible to have third eq point, but not in my example because SO42- is fully deprotonated

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