The [OH-] of a solution is 7.89 10^-12 M. What is the pH of the solution? it acidic or basic? *

Question

The [OH-] of a solution is 7.89 10^-12 M. What is the pH of the solution? it acidic or basic? *

in progress 0
Ngọc Khuê 3 years 2021-07-18T18:28:22+00:00 1 Answers 8 views 0

Answers ( )

  1. thugiang
    0
    2021-07-18T18:29:37+00:00
    Reply

    Answer: pH = 2,897 , basic[H+][OH-] = 10^{-14} ==> [H+] = \frac{10^{-14}}{7,89*10^{-12} } =\frac{1}{789} \\pH= -lg([H+]) = 2,897 \\pH<7 ==> basic

    Explanation:

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )