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El cido ascrbico (vitamina C), H 2 C 6 H 6 O 6 , tiene un pK a de 4,10. Una solucin es 0,10 M

El cido ascrbico (vitamina C), H 2 C 6 H 6 O 6 , tiene un pK a de 4,10. Una solucin es 0,10 M en cido ascrbico y 0,20 M en ascorbato de sodio, NaHC 6 H 6 O 6 . Cul es el pH aproximado de la solucin?

una.

4.10

b.

un poco menos de 4.10

C.

un poco ms de 4.10

d.

La solucin tendr un pH de exactamente 7.

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