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Acids Donate Protons to Water According to the General Equation

Question 161

Multiple Choice

Acids donate protons to water according to the general equation: HA(aq) + H2O(l) ⇌ H3O+(aq) + A-(aq)
Consider the following acids and their equilibrium constants for reaction with water at 25°C.If all the acids have the same initial concentration,which is the strongest acid (i.e.which donates the most protons to water) ?


A) HBrO,Kc = 2.0 × 10-9
B) HNO2,Kc = 4.5 × 10-4
C) HF,Kc = 3.5 × 10-4
D) HIO3,Kc = 1.7 × 10-1

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