Use activity coefficients to find the concentration of hydrogen ions in a solution of 75.0 mM butanoic acid and 0.01 M NaCl. The ionization constant of butanoic acid is Ka = 1.52 × 10-5. Take the size of C3H7COO– to be 500 pm.

What is the concentration of H+?

What is the pH of this solution? (Include activity coefficients in your calculation.)

What is the fraction of dissociation of butanoic acid in this solution?

2 answers

874.2 pm
pH=4.21
Can you please show work?