Some Basic Concepts in Chemistry: JEE Main 2026 Chemistry question

$x$ mg of pure HCl was used to make an aqueous solution. 25.0 mL of 0.1 M $\mathrm{Ba(OH)_2}$ solution is used when the HCl solution was titrated against it. The numerical value of $x$ is ______ $\times10^{-1}$. (Nearest integer) Given : Molar mass of HCl and $\mathrm{Ba(OH)_2}$ are 36.5 and 171.0 g mol$^{-1}$ respectively.