pH of a hydrogen ion??

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find the pH of a solution that has a hydrogen - ion concentration of 4.82 * 10^ -2 mol/L

2007-12-08 10:50:28 · 3 answers · asked by Eska 1 in Science & Mathematics ➔ Chemistry

pH = -log[H+] = -log(4.82*10^-2) = 1.3

2007-12-08 12:05:45 · answer #1 · answered by Anonymous · 0⤊ 0⤋

pH = -log of 4.82 x10 to the -2

Put the number in your calculator. Press the log button and change the sign.

2007-12-08 10:56:13 · answer #2 · answered by lynx 3 · 0⤊ 0⤋

pH = -log(4.82 * 10^ -2)

2007-12-08 10:54:23 · answer #3 · answered by Tim C 7 · 0⤊ 0⤋