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Put these actions in the best order for a grams-of-reactant → grams-of-product stoichiometry problem (assume the equation is already balanced).
  • Convert moles of the wanted substance to grams of the wanted substance using its molar mass

  • Convert grams of the given substance to moles of the given substance using its molar mass

  • Use the mole ratio (from balanced coefficients) to convert moles of given substance to moles of wanted substance

Course
General Chemistry I Foundations: Measurement to Reactions, Gases
10 units43 lessons
Topics
General ChemistryAnalytical/Quantitative Reasoning (dimensional analysis and algebra for chemistry)Physical Chemistry (intro topics: thermochemistry, gases, equilibrium, kinetics)
About this course

Build a reliable General Chemistry I problem-solving foundation starting with measurement, SI units, scientific notation, significant figures, uncertainty, and dimensional analysis. Develop chemical reasoning through atomic structure, electron configurations, periodic trends, nomenclature, and formula writing. Apply these tools to balance and classify reactions, write molecular/ionic/net-ionic equations, and perform stoichiometric calculations including limiting reagents and yield. Extend quantitative skills to gases (PV = nRT, partial pressures), phases and intermolecular forces, thermochemistry and calorimetry, solutions and concentration-based stoichiometry, acids–bases (pH, strong/weak, Ka form), equilibrium and Le Châtelier’s principle, and an introductory view of kinetics and rate factors.