acids and bases

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    Created by
    lucy bosley

    Cards (5)

    • strong acid
      −log⁡10(H+) =-\log_{10}\left(H+\right)\ = pH\ pH
    • weak acid
      Ka =Ka\ = (H+)2(HA)\ \frac{\left(H+\right)^2}{\left(HA\right)}
    • strong base
      Kw=Kw=(H+)(OH−)\left(H^+\right)\left(OH^-\right)
    • buffer (weak acid + salt)

      (H+)=\left(H^+\right)= Ka (HA)(A−)\ \frac{Ka\ \left(HA\right)}{\left(A^-\right)}
      HAHA = conc of weak acid
      A−A^-= conc of salt of weak acid
    • buffer (weak acid + strong base)

      (H+)=\left(H^+\right)=(H+) (HA)(A−)\frac{\left(H^+\right)\ \left(HA\right)}{\left(A^-\right)}
      HA =HA\ = how much left
      A−A^- = how much made
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