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Answer to Question #67111 in Chemistry for Ahmad

Question #67111
An impure sample of barium hydroxide of mass 1.6524 g was allowed to react with 100cm3 of 0.200 mol/dm3 HCL. When the excess acid was titrated against NaOH, 10.9cm3 of NaOH solution was required. 25.0cm3 of the NaOH required 28.5cm3 of the HCL in a seperate titration. Calculate the percentage purity of the sample of barium hydroxide.
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Expert's answer
2017-04-03T10:54:06-0400
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