This book is a compilation of solved and explained exercises intended to support undergraduate students in the amazing adventure of understanding the demands of Quantitative Analytical Chemistry. The authors have endeavoured to not just solve, but rather explain the scope and how to understand and try and solve the different analytical numerical challenges. This book covers the needs of students in Science fields such as Chemistry, Biology, Biochemistry and Pharmaceutical studies, wishing to get acquainted with the basics in chemical equilibria and quantitative classical and instrumental analysis.