Respuesta:
9
Explicación:
[OH]=1x10^-9
[tex]ph = - log(1x {10}^{ - 9} ) = 9[/tex]
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Respuesta:
9
Explicación:
[OH]=1x10^-9
[tex]ph = - log(1x {10}^{ - 9} ) = 9[/tex]