Jee Main
Ionic Equilibrium
JEE Main 2023 (Online) 25th January Morning Shift
INTEGER+4 / -12023
A litre of buffer solution contains 0.1 mole of each of NH\(_3\) and NH\(_4\)Cl. On the addition of 0.02 mole of HCl by dissolving gaseous HCl, the pH of the solution is found to be _____________ \(\times\) 10\(^{-3}\) (Nearest integer)
[Given : \(\mathrm{pK_b(NH_3)=4.745}\)
\(\mathrm{\log2=0.301}\)
\(\mathrm{\log3=0.477}\)
\(\mathrm{T=298~K]}\)