lab 5 - Katie Marrero Concept Question 5B For this...

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Katie Marrero Concept Question 5B For this experiment, a titration was used to determine the concentration of acid in the acidic household cleaners. First, a NaOH solution was standardized. This was done using a precise amount of KHP then dissolved in DI water. This solution had a known amount of moles. This was titrated with the NaOH and the exact molarity of the NaOH was determined. This titration was done until the molarities were within 0.02 M of each other. Once the NaOH was standardized, this solution was titrated with 0.001L of household cleaners that were determined (using pH paper) to be acidic. The NaOH was added to the acids until the endpoint was reached. For this acids, the indicator used was phenolphthalein, therefore the end point and equivalence point where the same. Once the color changed occurred, the moles of NaOH were equal to the moles of acid and the molarity could be found. These molarities are the concentration of acid in the household cleaners.
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Katie Marrero 2 Noah Orfield
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This note was uploaded on 11/10/2010 for the course CHEM 106A taught by Professor Phillips during the Fall '08 term at Vanderbilt.

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lab 5 - Katie Marrero Concept Question 5B For this...

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