J.R. S. answered 12/17/20
Ph.D. University Professor with 10+ years Tutoring Experience
This is a pretty vague question, and I'm assuming the "or" is supposed to be "of" but here goes....
NaCl is a strong electrolyte. It dissociates as follows: NaCl --> Na+ + Cl-
CaCl2 is a strong electrolyte. It dissociates as follows: CaCl2 --> Ca2+ + 2Cl-
CH3COOH is a weak electrolyte. It ionizes as follows: CH3COOH →<----- CH3COO- + H+ (note equilibrium lies largely to the left)