Complete the table.

Place about 2 g of tartaric acid previously dried and accurately weighed in a conical flask. Dissolve it in 40 ml of water, add a few drops of phenolphthalein TS, and titrate with 1 n sodium hydroxide. Each ml of 1 N sodium hydroxide is equivalent to 75 mg of tartaric acid.

*Note: Volume of sodium hydroxide was observed at 26.5 ml

USP Requirement: Not less than 99.7 and not more than 100.5%)

Data	Trial 1
Wt of tartaric acid
MW of tartaric acid
meq of tartaric acid
Volume of sodium hydroxide used (ml)
% purity

Based from the percent purity, is the product accepted? ____No ____Yes

Write or draw the complete and balanced chemical reactions involved in the standardization and assay: