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Calculate the purity of the sample expressed as percent

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Reference no: EM132409830

A 1 gram sample of impure K2CO3 is taken for analysis. The solution of the dissolved sample required 58.10 mL of 0.14 N HCl. However, 0.65 mL of the NaOH was used for back titration (1 ml HCL is equivalent to 2.60 mL of NaOH). Calculate the purity of the sample expressed as percent K2O.

Reference no: EM132409830

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