Part 2: Assay of tartaric acid (Jenkin's Quantitative Pharmaceutical Chemistry by Knevel, pp.108) 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 Wt of tartaric acid MW tartaric acid meg of tartaric acid Volume of sodium hydroxide solution used (ml) % purity Trial 1

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1. Based from the given problem, What is the molecular weight  of the tartaric acid (C4H6O6)?

2. Based from the given problem, What is the meq of the tartaric acid (C4H6O6)?

3. Based from the given problem, What is the percentage purity of the tartaric acid (C4H6O6)?

Part 2: Assay of tartaric acid (Jenkin's Quantitative Pharmaceutical Chemistry by Knevel, pp.108)
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 hydroxidel 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
Wt of tartaric acid
MW tartaric acid
meg of tartaric acid
Volume of sodium hydroxide solution used (ml)
% purity
Trial 1
Transcribed Image Text:Part 2: Assay of tartaric acid (Jenkin's Quantitative Pharmaceutical Chemistry by Knevel, pp.108) 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 hydroxidel 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 Wt of tartaric acid MW tartaric acid meg of tartaric acid Volume of sodium hydroxide solution used (ml) % purity Trial 1
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