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lab (1038) usf (59) general chemistry (8)
This website is designed to aid you through your Chemistry Lab. It will offer various examples, explanations and videos that should help you with each laboratory project. Please note that this website is currently a work in progress. There are spelling errors and sections that need to be refined and/or added to
The major theme of this project is to determine an unknown concentration of Ca 2+ in solution. Important concepts to understand going into this are: (1) Significant digits! , (2) glassware reading, (3) mean and standard deviation. Not only are these important to know for this lab, but every other lab you will do. Please know these concepts. I have attached links to external websites to refresh your memory:
Part one: You will standardize a solution of the compound you will use to determine unknown Ca 2+ concentrations via titration (EDTA). All it means to standardize in this context is to make a solution of the compound of interest with known amounts to a high degree of accuracy. Notice that we need to make a known amount before we can determine an unknown amount.