Jee Main
Ionic Equilibrium
JEE Main 2026 (Online) 2nd April Evening Shift
MCQ+4 / -12026
The first and second ionization constants of a weak dibasic acid H2A are $8.1 \times 10^{-8}$ and $1.0 \times 10^{-13}$ respectively. 0.1 mol of H2A was dissolved in 1 L of 0.1 M HCl solution. The concentration of HA- in the resultant solution is: