reesestebbs reesestebbs

22-03-2021
Chemistry

contestada

A solution has a [OH-] of 1.43x10-9. What is the pH of this solution?
a. 5.2
b. 8.8
C. 9.1
d. 4.9

Respuesta :

21ahmedfa 21ahmedfa

02-04-2021

Answer:

a. 5.2

Explanation:

pOH = -log(1.43 x 10^-9) = 8.845

pH = 14 - pOH = 14 - 8.845 = 5.155 ≈ 5.2

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