Acid, Base and pH

  • Created by: Ash_angel
  • Created on: 19-11-18 18:24
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  • Acid, Base and pH
    • Definintion
      • Acid: proton donor
      • Base: proton acceptor
      • pH: measure of hydrogen ion in a solution.
    • Bronsted-lowry definition
      • Acid: donate a proton
      • Base: accept a proton
    • Testing pH
      • Strong acids e.g HCl
        • Fully dissociate
      • Weak acids e.g Ethanoic acid
        • Partly dissociate
      • Low(H+)= high pHHigh(H+)= low pH
      • Calculating pH
        • pH= -log(H+)or(H+)= 10-pH
        • Logarithmic constant pKa= -logka and ka= 10-pka
    • Remember:-monobasic = donates 1 hydrogen per molecule-dibasic = donates 2 hydrogen per molecule etc....

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