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October 31, 2014

Homework Help: Chemisty

Posted by Brittany on Wednesday, May 9, 2012 at 9:42am.

A 2.5 L volume of sodium hydroxide solution was prepared. The titrant was standarized against primary standard oxalic acid dihydrate, H2C2O4*H2O(molar mass is 126.06) if a 0.4774g sample of the prmiary standard consumed 31.94mL of the base solution in reaching the phenophtalein end point, how many grams of sodium hydroxide were required to prepare the 2.5L of solution?

2NaOh(aq)+H2C2O4==>2H2O(l)+Na2C2O4)(aq)

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