3.1.2 Amount of Substance

• Number of particles equations

  No particles = No moles x Avogrado constant (L)
• Ideal Gas equation:

  PV=nRT

  P- Pressure of gas (Pa)

  V- volume of gas (m^3)

  n- number of moles

  R- gas constant

  T- temperature Kelvin
• Percentage Yield

  ( Amount of product mole / maximum amount of product possible ) x 100

  Importance of percentage yield: To get the maximum amount of product possible in the reaction
• Atom economy

  ( Mr of useful product / Total Mr of all reactants )x 100

  Importance of atom economy: To maximise the amount of reactant that end up in the useful products and minimise the by-product