Which of the following is a weak electrolyte in aqueous solution?

a. acetic acid

b. lithium acetate

c. ammonium carbonate

d. sulfuric acid

e. calcium hydroxide

2 answers

answer is a as acetic acid ionizes only slightly in an aqueous solution
Phoebe is correct; however, be careful when you see H2SO4. It has a k1 but not a k2 which means that the first ionization is not complete.