dija6s9mompallySalt
dija6s9mompallySalt dija6s9mompallySalt
  • 20-07-2016
  • Chemistry
contestada

how does ph remain constant?

Respuesta :

daniel987
daniel987 daniel987
  • 20-07-2016
A pH buffer may have been used such as calcium carbonate 

hope that helps 
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