In this topic,Student should be able to :
a) Define relative atomic, molecular and formula masses, based on the 12C scale and concept of isotopes.
b) Explain mole in terms of the Avogadro’s constant.
c) Apply mass spectrometric technique in determining the relative atomic mass of an element using the mass spectral data provided.
b) d) Calculate empirical and molecular formulae, using combustion data.
e) Understand stoichiometric calculations using mole concept involving. i) Reacting masses ii) Volume of gases iii) Percentage yield
f) Describe and explain following concentration units of solutions: i) Percentage composition ii) Molarity iii) Mole fraction