Acids and Bases

Acids
1. sharp, sour taste
2. <7 on pH scale
3. Sources
  1. Vinegar-Ethanoic Acid
  2. Citrus Fruits- Citric Acid
  3. Carbonic Acid: Fizzy Drinks
4. Burn into clothes, metals and flesh
  Anmerkungen:
  - yep, it's true
5. Hydrochloric Acid (HCl)
6. Sulphuric Acid
7. Turns blue litmus red
  1. Red in methyll orange
Bases
1. Mild Bases: Soap, Toothpaste
2. Sodium Hydroxide (NaOH) caustic soda
3. Alkali is a base soluble in water.
4. Turns red litmus blue
  1. Yellow in methyll orange
5. <7 on pH scale
6. Strong = corrosive!
Indicators
1. Is a substance which tells you by means of a colour change, whether a substance is an acid or a base.
2. Methyll Orange
  1. Universal Indicator
3. Litmus
Titration
1. Methyll Orange Indicator
2. Acid on top in burette, Base on bottom in conical flask
3. Hydrochloric Acid + Sodium Hydroxide = Sodium Chloride + Water
  1. HCl + NaOH = NaCl + H2O
4. End point when indicator in conical flask turns orange
  1. Solution in conical flask put in an evaporating basin and evaporated off
pH Scale
1. Ranges from 1-14

Zusammenfassung der Ressource

	Erstellt von silviaod119 vor fast 12 Jahre