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part 1 - A 0.100 M solution of an acid, HA, has a pH=2.00. What is...

part 1 - A 0.100 M solution of an acid, HA, has a pH=2.00. What is the value of Ka of this acid?

part 2 - We treat Kw as a fixed value, even though it, like all equilibrium constants, varies with temperature. The pH of pure water at 50 oC is 6.630. What is Kw at this temperature?

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