## Chemistry 10th Edition

(a) 1. Calculate the pKa Value $pKa = -log(Ka)$ $pKa = -log( 7.2 \times 10^{- 5})$ $pKa = 4.143$ (b) 1. Calculate the pKa Value $pKa = -log(Ka)$ $pKa = -log( 4.2 \times 10^{- 10})$ $pKa = 9.377$