During the titration of 50.0 mL of 0.100 M monoprotic weak acid HA with 0.100 M NaOH
CHEMISTRY · Single correct · AP · Chemistry · Acids and Bases · Acids and Bases
Problem
During the titration of 50.0 mL of 0.100 M monoprotic weak acid HA with 0.100 M NaOH, the pH measured at the equivalence point is 9.10. Which of the following is closest to the acid’s dissociation constant, Ka ?
(a) 1.3×10−5
(b) 8×10−10
(c) 3×10−6
(d) 6×10−6