Indicate whether aqueous solutions of each of the following solutes contain only ions, only molecules, or mostly molecules and a few ions:
b. NaBr, a strong electrolyte

Which of the following represents a non-electrolyte? 

a) (CH₃)₂NH₂                             b) NaOH                       c) HIO₃                         d) C₂H₅OH                    e) CsNH₂

KF is a strong electrolyte, and HF is a weak electrolyte. How is the solution of KF different from that of HF?

Write a balanced equation for the dissociation of each of the following strong electrolytes in water:

d. Fe(NO₃)₃

Indicate whether aqueous solutions of each of the following solutes contain only ions, only molecules, or mostly molecules and a few ions:

a. acetic acid, HC₂H₃O₂, a weak electrolyte

Indicate whether aqueous solutions of each of the following solutes contain only ions, only molecules, or mostly molecules and a few ions: c. fructose, C₆H₁₂O₆, a nonelectrolyte

Classify the solute represented in each of the following equations as a strong, weak, or nonelectrolyte:

b. NH₃(g) + H₂O(l) ⇌ NH₄⁺(aq) + OH^–(aq)

Classify the solute represented in each of the following equations as a strong, weak, or nonelectrolyte:

a. $K_{2}S{O}_4\left(aq\right)\stackrel{H_{2}O}{\to }2K^{+}\left(aq\right)+S{O}_4^{2-}\left(aq\right)$