The document presents a series of chemistry problems related to titrations, equilibrium constants, and other analytical methods. It contains various tasks, such as calculating or sketching titration c...The document presents a series of chemistry problems related to titrations, equilibrium constants, and other analytical methods. It contains various tasks, such as calculating or sketching titration curves for different acid-base and redox reactions, analyzing equilibrium points, identifying appropriate visual indicators, and evaluating the purity of substances.