Question

Calculate the pH of each of the following solutions.

(a) 0.100 M propanoic acid (HC₃H₅O₂, K_a=1.3×10^-5)

(b) 0.100 M sodium propanoate (NaC₃H₅O₂)

(c) pure H₂O

(d) a mixture containing 0.100 M HC₃H₅O₂ and 0.100 M NaC₃H₅O₂