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Posted by Håkon. on February 03, 2002 at 10:43:19:

In Reply to: pH and molarity posted by Christine Chery on January 13, 2002 at 18:52:27:

> 1. What is the pH of a 10 to the negative 8 M HCL solution?

pH = -log(cons. H+) = -log 10^-8 = 8. (by definition)

> 2. What is the molarity of pure water?

One liter of water weighs 1000 grams. Molweight of water is 18 grams/mole. Molarity = m/M= 55,56 mol/L.

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> > 1. What is the pH of a 10 to the negative 8 M HCL solution? > pH = -log(cons. H+) = -log 10^-8 = 8. (by definition) > > 2. What is the molarity of pure water? > One liter of water weighs 1000 grams. Molweight of water is 18 grams/mole. Molarity = m/M= 55,56 mol/L.

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