Titrantstandardization

Titrantstandardization - 11/2/2009 C118 Laboratory pH and...

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11/2/2009 1 C118 Laboratory pH and Buffer Capacity of Natural Waters Full Report Overview: Week 1: Standardize a solution of HCl to be used in week 2 Week 2: a) Measure pH of rain water and various environmental samples b) Determine the buffer capacity of the water. What is buffer capacity? Standardization of HCl What does standardization mean? Why does it have to be done?
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11/2/2009 2 You need to prepare 500 mL of ~0.01 M solution of HCl from a stock solution with a Calculation of Solution Concentration concentration of ~1 M. Describe process and include glassware. Now that you have a HCl solution that is approximately 0.01 M, how do you measure the exact concentration? Titrate with Na 2 CO 3 : a primary standard grade base What is the reaction between HCl and Na 2 CO 3 ?
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11/2/2009 3 Titration Add HCl from buret until end point is reached. Actually the end point is a green color. Add known amount
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This note was uploaded on 07/02/2011 for the course CHEM-C 118 taught by Professor Flood during the Spring '10 term at Indiana.

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Titrantstandardization - 11/2/2009 C118 Laboratory pH and...

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