Consider a weak acid (HA), which dissociates according to: HA(I)

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Consider a weak acid (HA), which dissociates according to: HA(I)

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Consider A Weak Acid Ha Which Dissociates According To Ha I H Aq A Aq 2 1 The Acid Dissociaton Constant Is 1
Consider A Weak Acid Ha Which Dissociates According To Ha I H Aq A Aq 2 1 The Acid Dissociaton Constant Is 1 (84.63 KiB) Viewed 63 times
Consider a weak acid (HA), which dissociates according to: HA(I) <H+(aq) + A-(aq) (2.1) The acid dissociaton constant is given by: [H+(aq)][A-(aq)], 2 Ka Y [HA(1}] (2.2) ,where the mean activity constant (Y+) can be obtained using the Debye-Huckle theory: logy+ = -A|z.z_IVI 2+ (2.3) = ,where | corresponds to ionic strength, zi formal charges and A is an environmentally dependent constant. Using this information show that: log Ko = log Ka + B2,2_IVI (2.4) [5 marks]
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