Question
What is the $\mathrm{pH}$ of a $0.020 \mathrm{M}$ solution of chloroacetic acid, for which $K_{a}=1.4 \times 10^{-3}$ ?
Step 1
Step 1: First, we need to set up the equilibrium expression for the dissociation of chloroacetic acid (HClCH2COOH) in water: \[HClCH2COOH \rightarrow H^+ + ClCH2COO^-\] The equilibrium constant expression for this reaction is: \[K_a = Show more…
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