0.3077 g THAM Mw 121.14 g/mol was weighed to make an aqueous solution. This solution was utilized to standardize a prepared HCL solution that has an estimate concentration of 0.1 M. A total of 19.24mL HCL was utilized to fully reaction with the THAM that is to reach the equivalent point. It is known that the stoichiometry of HCL as well as THAM reaction is 1:1. Find out the exact concentration of HCL.