1. Tardigrade
  2. Question
  3. Chemistry
  4. pH of a mixture containing 0.10 M X- (base) and 0.20 M HX with p Kb(X)=4 is:

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. pH of a mixture containing $0.10 M X^-$ (base) and $0.20 M\,HX$ with $p K_{b}(X)=4$ is:

Equilibrium

Solution:

By Henderson's equation,
$pOH =p K_{ b }+\log \frac{[H X]}{\left[X^{-}\right]}=4+\log 2$
$\therefore pH =14- pOH =10-\log 2 .$