Quantitative Aspects of Chemical Change (Grade 10 NSC Matric Physical Sciences): Flashcards

Calculation of quantities of reactants and products in reactions

Bridge connecting all quantities in chemical reactions

Mole ratios, not mass or volume ratios directly

Write equation, calc moles, find ratio, calculate answer

Maximum amount of product that can form from given reactant

Amount of product actually obtained in the laboratory

$\frac{\text{actual yield}}{\text{theoretical yield}} \times 100$

100% (cannot exceed in proper experiment)

Can use volume ratios directly from balanced equation

Incomplete reaction, side reactions, product loss in separation