Chemical Calculations — A/L Chemistry
Aligned with the NIE syllabus
What is Chemical Calculations?
Chemical calculations apply stoichiometric mole relationships, empirical and molecular formulas, concentration expressions, and limiting reagent analysis to quantitative chemical reactions.
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- Mole Ratios & Limiting Reagents: Stepwise calculation identifying the limiting reactant and theoretical yield using balanced chemical equations.
- Concentration Units & Titrations: Correct conversion between mol dm⁻³, g dm⁻³, ppm, and percentage composition in acid-base and redox titration calculations.
- Gas Stoichiometry: Applying the ideal gas equation (PV = nRT) with SI units (P in Pa, V in m³, T in K) to calculate gas volumes and molar masses.
Source: NIE G.C.E. (A/L) Chemistry Syllabus (Unit 3)
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Where does Chemical Calculations fit in the syllabus?
Grade 12 · Term 1
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