CHEM 14BL Study Guide - Midterm Guide: Significant Figures, Smog, Equivalence Point
26 Aug 2015
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*the information shown below is usually provided on the exam. Also, remember that calculators can be used on the exam. 25. 00 ml buret: 0. 03 ml: precision, errors, significant figures, the number of significant figures in the measurement of 0. 040180 cm is ___________. [ (1. 025 + 0. 002) x (0. 743 + 0. 004) ]+ (0. 051 + 0. 002: acid base reactions/ recrystallization. 10. 00 ml aliquot of the unknown strong base solution prepared in question 1c was titrated with 12. 04-ml of a. A laboratory determines that the concentration of lead in sample from a drinking fountain is 3. 0 g/100ml. _____________: convert the concentration of mercury found in the sample from the drinking fountain into molarity (mol/l). Assume that drinking water has a density of 1-g/ml, and mercury has an atomic weight of. 200. 59g/mol: ozone gas, o3, a main pollutant in smog, shows a strong absorption of uv light at 254 nm.
