A 0.4780-g sample of impure caoh2 is dissolved in enough, Ask an Expert

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A 0.4780-g sample of impure Ca(OH)2 is dissolved in enough water to make 57.00 mL of solution. 20.00 mL of the resulting solution is then titrated with 0.1140-M HCl. What is the percent purity of the calcium hydroxide if the titration requires 34.55 mL of the acid to reach the endpoint?

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