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Biology and Chemistry Homework Help
PH of concentrated and dilute acids
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[QUOTE="Borek, post: 4533917, member: 23711"] Yes, it can even get negative. In very concentrated solutions things get complicated. Our methods of pH calculation (and to some effect measurement) assume ions don't interact too strongly as they are separated by copious amounts of water. When there is not enough water molecules, these assumptions no longer work, and rather unexpected things start to happen. pH is a measurement of H[sup]+[/sup] activity in water solution. Think about pure sulfuric acid - simple logic tells us it should be highly acidic. Well, if it is pure, there is no water at all! What water solution, when there is no water? [/QUOTE]
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PH of concentrated and dilute acids
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