pH Revisited

7. Activity and the Systematic Treatment of Equilibrium / pH Revisited / Problem 5

Problem 5

A solution contains 0.1 M KCl. The activity coefficient for K⁺ at this ionic strength is 0.85. Calculate the effective concentration of K⁺ for pH calculations.

0.10 M

0.15 M

0.085 M

0.075 M

A solution contains 0.1 M KCl. The activity coefficient for K+ at this ionic strength is 0.85. Calculate the effective concentration of K+ for pH calculations.