stevenkhaauhs9479 stevenkhaauhs9479
  • 20-04-2019
  • Chemistry
contestada

A solution has a pH of 2.5. What is its [OH-] ?

3.2 x 10-3

3.2 x 10-12

3.2 x 10-2

11.5

Respuesta :

mereiland
mereiland mereiland
  • 20-04-2019

pH + pOH = 14

pH = 2.5 then pOH = 11.5

[OH-] = 10^(-pOH) =10^(-11.5)

= 3.2 x 10^(-12)

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