C4 - making salts

• 1. choose the right insoluble base and dilute acid
  2. gently warm acid in flask over Bunsen Burner
  3. add insoluble base into flask until the insoluble base is in excess
  4. filter solution using funnel and filter paper to remove excess insoluble base
  5. gently heat filtered solution in evaporating basin to point of crystallisation
  6. stop heating solution and leave to crystallise
  7. pat crystals dry with filter paper