Summary
This section covers the diverse reactions occurring in aqueous solutions, including precipitation, acid-base, and redox reactions. Central to these topics are the concepts of molarity and dilution, which facilitate quantitative stoichiometric calculations. Analytical methods such as gravimetric analysis and titration are highlighted as powerful tools for determining the composition and purity of substances. Additionally, real-world examples, like the Marsh test for arsenic detection, demonstrate the broad applications of these techniques in both forensic science and industrial processes.