if ph of a solution is 7.4 so what is the hydrogen ion concentration of that solution?

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if ph of a solution is 7.4 so what is the hydrogen ion concentration of that solution?

2007-07-17 00:44:01 · 2 answers · asked by vijay .p 1 in Science & Mathematics ➔ Chemistry

2 answers

pH = -log[H+], so:

7.4 = -log[H+], or

[H+] = 10^(-7.4) = 3.98 x 10^-8

2007-07-17 02:56:11 · answer #1 · answered by Dave_Stark 7 · 0⤊ 0⤋

pH = -log[H]...
7.4 = -log[H]
which means the H ion conc is the inverse log of (7.4)...
i don't have a calculator with me, so type it into your own calculator for the answer.

2007-07-17 07:48:20 · answer #2 · answered by Anonymous · 0⤊ 0⤋