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Solid chromium (III) hydroxide (Cr(OH)3) is added to pure water so that at equilibrium some solid remains undissolved. Given that the solubility product is 6 x 10-31 M4, what is the equilibrium concentration of the hydroxide ion (OH-) in the water?
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A student weighed out 1.74 grams of sodium hydroxide pellets and added them to 48.0 grams of water in a calorimeter. Extrapolating back to the time of mixing yielded a temperature change at the time of mixing equal to 9. ...
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