Week 4: Equivalent Weight of Organic Acid
Experiment: 6
Post-Lab assignment
Questions:
0.11 g of a monocarboxylic acid is neutralized by 12.5 mL of a 0.1 N sodium hydroxide solution.
What is the molecular weight of the acid?
Suggest a molecular formula for this acid.
How many carboxylic acids of this molecular formula are possible?
What would be the effect on the equivalent weight calculations, if during the titration,
Some of the carboxylic acid adhered to the walls and was not dissolved in methanol?
A defective burette was used and a higher value for the volume of NaOH was recorded?
A 2 N NaOH solution was used instead of 0.1 N NaOH solution?
How many grams of benzoic acid would be neutralized in 16.2 mL of a 0.100 N NaOH solution?
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