a) Na2SO4 ---> 2Na+ + SO4-2
b) BaCl2 ----> Ba+2 + 2 Cl-
C) (NH4)2CO3 ----> 2NH4 + + CO3-2
d) Ca(NO3)2 ----> Ca+2 + 2NO3-
e) HNO3 ----> H+ + NO3-
5) The reaction of dissociation of weak electrolytes are represented by using double arrow mark pointing opposite directions, as the weak electrolytes do not dissociate completely and usually develop equilibrium.
a) HF <------> H+ + F-
b) CH3COOH <-------> CH3COO - + H+
Exeeriment 9 Properties of Solutions 131 Date: iei Section: Name: nltn Roll No. Post-lab Questions (cont'd)...