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Gold/Mining/Energy : Gold Price Monitor

GDXJ 114.87

+3.6%

Dec 11 4:00 PM EST

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To: Hugh A who wrote (82689)	3/1/2002 3:18:57 AM
From: Richnorth	of 116813

Interesting interpretation! But at 25C, the simplified thermodynamic equilibrium for water requires that [H+] x [OH-] = 1.00 x 10(exp -14). The reaction of water with CO2 produces carbonic acid, H2CO3(aq), and increases the [H+] and lowers the pH to, say, 5. Because pH = 5 implies [H+] = 10^-5 mol/L, [OH-] is now adjusted automatically to 10^-9 mol/L to maintain thermodynamic equilibrium constant = 10^-14 (mol/L)^2. The fact remains that the aqueous solution in the soil is still ACID, not neutral. So "neutral" soil at pH 5 is a misnomer, IMO.

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