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Chemistry, 01.10.2019 17:30 christylam1606
Aquality control chemist at dow chemical tried to determine purity of naoh using titration. he measured out 0.500 g naoh sample and dissolved it in 20 ml water. 22.5 ml of a 0.500 mol/l hcl solution was used to reach the end point. assume the impurity did not react with hcl, what is the % purity of this naoh sample?
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