The ionization constant from the reaction as shown in the calculation is 5.8.
The term ionization constant refers to the extent to which the acid is ionized in solution. It is calculated from;
Ka = [H3O^+] [Cl]/[HCl]
Thus when we substitute the values;
Ka = 13.3 * 7.4/ 16.9
Ka = 5.8
The ionization constant from the reaction as shown in the calculation is 5.8.
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