Class 11 Chemistry Chapter Stoichiometry Notes Stoichiometry is quantitative chemistry. “Calculations based on the law of conservation of mass, law of constant composition and balanced chemical equations are called stoichiometric calculations.”     Science, Society Relationship: Stoichiometry has many applications in human society. It calculates: Concentrations of different substances in a sample. Glucose in the bloodClass 11 Chemistry Chapter Stoichiometry Notes