stoichiometry

• Cupper Sulfate

  CuSO4
• potassium nitrate

  KNO3
• calcium hydroxide

  CaOH2
• hydroxide

  OH-
• hydrogen carbonate

  HCO3 (-)
• Nitrate

  NO3 (-)
• ammonium

  NH4 (-)
• carbonate

  CO4 (2-)
• sulfate

  SO4 (2-)