Notes of “Introduction of Analytical chemistry” By Skoog, west and Hooler The Nature of Analytical Chemistry Analytical Chemistry deals with methods for determining the chemical composition of samples. Qualitative Analysis (identification) provides information about the identity of species or functional groups in the sample ( an analyte can be identified). Quantitative Analysis provides numerical
ATOMS THREE POSTULATES OF DALTON’S ATOMIC THEORY 1) An element is composed of identical atoms. 2) Atoms of different elements have different properties. 3) Compounds are atoms of 2 or more elements chemically combined. THE LAW OF CONSERVATION OF MASS During a physical change or reaction, or a chemical reaction, matter is neither created nor
INTRODUCTION TO CHEMISTRY NOTES METRIC SYSTEM UNIT FOR: 1) Mass 2) Volume 3) Length 4) Time 1) gram 2) liter 3) meter 4) second METRIC ABBREVIATIONS: 1) 1,000,000 2) 1000 3) 100 4) 10 1) mega 2) kilo 3) hecto 4) deka EXPRESS: 1) 100 GRAMS 2) 1/10 LITER 3) 1000 METERS 4) 0.001 GRAMS