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Si una solucin neutra de agua, con pH = 7,00, se enfra a 10 C, el pH sube a 7,27. Cul de las siguientes tres

Si una solucin neutra de agua, con pH = 7,00, se enfra a 10 C, el pH sube a 7,27. Cul de las siguientes tres afirmaciones es correcta para el agua enfriada: (i) [H+] > [OH-], (ii) [H+] = [OH-] o (iii) [H+] < [OH-]?

Dije que la respuesta debera ser iii ya que, en mi opinin, el pH era neutral a 7,00, pero luego el pH aument ligeramente, por lo que [H+] < [OH-]. Resulta que la respuesta es [H+] = [OH-], por qu?

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