Important formula

• Nitric Acid

  HNO3
• Ammonia

  NH3
• Calcium Carbonate

  CaCO3
• Sodium Hydroxide 


  NaOH
• Calcium Hydroxide 


  Ca(OH)3
• Ethanoic Acid


  CH3COOH
• Sulfuric Acid 


  H2SO4
• Hydrochloric Acid


  HCl