Calculate the pH of a solution with OH- concentration equal to 4.3x10-9 M. Is this solution...

Question

Question

Calculate the pH of a solution with OH^- concentration equal to 4.3x10^-9 M. Is this solution acidic, basic, or neutral?

science chemistry

Answer 1

Answer #1

Ans :

[OH-] = 4.3 x 10^-9 M

[H+] = (1.0 x 10^-14) / (4.3 x 10^-9)

= 2.3 x 10^-6 M

pH = -log [H+]

= -log (2.3 x 10^-6)

= 5.6

The pH below 7 are acidic and above 7 are basic , and the pH 7 is neutral.

So here the solution is acidic.

Answer 2

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