Strong and Weak Acids

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Author:
Anonymous
ID:
142244
Filename:
Strong and Weak Acids
Updated:
2012-03-18 11:34:05
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Strong Weak acids chemistry
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Description:
Higher Chemistry - Unit Three - Strong and Weak Acids
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  1. An acid with the concentration of 0.01 mol l-1 will have a pH of...?
    pH 1
  2. An acid with pH 10 will have an H+ ion concentration of...?
    1 x 10-10 mol l-1
  3. At pH 7 [H+] [OH-] = ?
    1 x 10 -7 mol l-1
  4. What is a strong acid?
    An acid which is 100% dissociated in water
  5. Give an example of a strong acid
    • Hydrochloric acid (HCl)
    • Sulphuric acid (SO4)
    • Nitric acid (HNO3)
  6. What is a weak acid?
    An acid which is only partially dissociated in water
  7. Give an example of a weak acid
    • Ethanoic acid (CH3COOH)
    • Carbonic acid (H2CO3)
    • Sulphurous acid (H2SO4)
  8. Complete the table































    Property

    HCl (0.1 mol l-1)

    CH3COOH (0.1 mol l-1)

    Conductivity



    pH



    Reaction with Mg



    Volume of NaOH to neutralise


    • High │ Low
    • Low │ High
    • Fast │ Slow
    • Same │ Same
  9. Strong acid + strong base = ..... salt?
    neutral
  10. Strong acid + weak base = .... salt?
    acidic
  11. Weak acid + strong base = ... salt?
    alkaline
  12. What kind of salt is sodium chloride?
    A neutral salt
  13. What kind of salt is sodium ethanoate?
    An alkiane salt
  14. What kind of salt is ammonmium chloride?
    An acidic salt

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