A 1.876 g of the sample containing H2C2O4 requires 38.84 mL of 0.1032 M of NaOH for titration: H2C2O4 + 2 NaOH → Na2C2O4 + 2 H2O      A 1.38 mL of 0.0992 M HCl is used in the back – titration. (a) Calculate the percentage of  H2C2O4 in the sample.  (b) Calculate the percentage expressed as the dihydrate,  H2C2O4•2H2O.

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.