Question

п Chapter 16 Acid-Bas Jennifer Gonzalez Jniversity-CHEM 1342- Fall19-RASTOGI Activities and Due Dates Chapter 16 Acid-Base Equilibria Homework Assignment Score: 1900/2800 C Give Up? Hint Resources Check Answer Question 19 of 28 Attempt 2 The K, of a monoprotic weak acid is 0.00566. What is the percent ionization of a 0.121 M solution of this acid? percent ionization: I ress TOOLS x10 по 100 about us careersprivacyypolicy terms of use contact us help 104 PM 11/2/2019 Cintensiy e

Answer 1

the weak monoprotic acid is MA Lets suppose HA + H2O 0./21M Linitial) - ₂ot +A de 0 0 121 a 0.121d ka - (0.1210) (0.1210) E 0.12162 0 121 (-a) |-**( Since a is very small for weak acids) Given: Ka = 5.66 x 1013 25.66*103 = 0.1210² as 5:66x10cm = 4.679 xlo 0.12) 0.216 ca (4.678x102)2 = 2.16xlor Percent imizatim - R x 100 % = 0.216x 100% = 21.6%