Please enable JavaScript.

Coggle requires JavaScript to display documents.

Topic 3 (:star: Acids and Bases (:checkered_flag: Defintions (Base = a…

- - - - Universal Indicator =
        
        acids turn red
        
        neutral turns green
        
        alkalis turn purple
      - Litmus paper =
        
        acids turn red
        
        neutral turns purple
        
        alkalis turn blue
      - Methyl Orange =
        
        acids turn red
        
        neutral turns yellow
        
        alkalis turn yellow
      - Phenolphthalein =
        
        acids are colourless
        
        neutrals are colourless
        
        alkalis turns pink
  - - - 1) Measure a set volume of dilute hydrochloric acid
        2) Measure a fixed mass of calcium oxide using a mass balance
        3) Add calcium oxide to dilute hydrochloric acid
        4) Wait for the base to completely react then record the pH of the solution
        
        you can use a pH probe or universal indicator
        
        5) Repeat steps 2 and 4 until the acid reacts
        
        you'll know when the acid reacts when you get unreacted calcium oxide at the bottom of the conical flask