Stoichiometric Calculations (Grade 11 NSC Matric Physical Sciences): Quizzes

Calculation of reaction quantities

Moles

$n = \frac{m}{M}$

A reagent completely used up

It produces the smallest product amount

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

Reaction efficiency

Simplest ratio of atoms

Shows actual atom numbers

$\frac{\text{compound mass}}{\text{sample mass}} \times 100$