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The prefix p is used to represent -log in chemistry. In the case of pH, it is used to represent the -log(concentration of H+ ions in M (mol/L)). So, now simple algebra tells us that this solution has .0001 M concentration of hydrogen ions.
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∙ 9y ago
Wiki User
∙ 9y agoThe hydrogen ion concentration of a lake with a pH of 4.0 is 10-4M. The hydroxide ion concentration of the lake is 10-10M.
Wiki User
∙ 13y agopH=-log[H+]=4,5 => [H+]=10(-4,5)=10exp-4,5=3.1623.10(-5)
Wiki User
∙ 12y agopH = -log[H+] Hence [H+] = 10^-pH = 10^-4 = 1 x 10^-4 mole of H+
Now 1 mole of H+ = 6.022 x 10^23. Hence 1 x 10^-4mole = 6.022 x 10^19 H+ ions.
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