Which of the following is the strongest acid? chloroacetic acid (molar mass: 94.49 g/mol; Ka = 1.4 x 10-3) formic acid (molar mass: 46.03 g/mol; Ka = 1.8 x 10-4) propionic acid (molar mass: 74.08...

Which of the following is the strongest acid? chloroacetic acid (molar mass: 94.49 g/mol; Ka = 1.4 x 10-3) formic acid (molar mass: 46.03 g/mol; Ka = 1.8 x 10-4) propionic acid (molar mass: 74.08 g/mol; Ka = 1.3 x 10-5) hypoiodous acid (molar mass: 143.89 g/mol; Ka = 2.0 x 10-11) acetic acid (molar mass: 60.05 g/mol; Ka = 1.8 x 10-5)