6. Chemical Quantities & Aqueous Reactions

Electrolytes

Multiple Choice
Which of the following molecules would decrease the electrochemical gradient across a membrane?
Multiple Choice
Which of the following represents a strong base?
Multiple Choice
Which of the following represents a non-electrolyte?
Multiple Choice
Each of the following reactions depicts a solute dissolving in water. Classify each solute as a strong electrolyte, a weak electrolyte or a non-electrolyte.
a) PbSO₄ (s) → PbSO₄ (aq)
b) HC₂H₃O₂ (aq) ⇌ H⁺ (aq) + C₂H₃O₂⁻ (aq)
c) CaS (s) → Ca²⁺ (aq) + S²⁻ (aq)
d) Hg (l) → Hg (aq)
Multiple Choice
Which of the following statements is true?
Multiple Choice
An aqueous solution of which of the following would conduct electricity?
Open Question
Which substance will most likely ionize when it is dissolved in water: HBr, CaBr₂, MgCl₂, or KCl?
Open Question
How does a conductivity apparatus test whether a solution has ionic or covalent substances in it?
Open Question
Which substance will most likely dissociate when it is dissolved in water? NO₂, N₂F₆, CaCl₂, C₆H₁₂O₆
Open Question
Which compound will conduct electricity when it is dissolved in water? CH₄, CuSO₄, C₆H₆, C₆H₁₂O₆.
Open Question
Which of these salts is the best electrolyte?
Open Question
Which two compounds are electrolytes?
Open Question
What solute particles are present in an aqueous solution of HClO?
Open Question
Each of the following compounds is soluble in water. for which compounds do you expect the resulting aqueous solution to conduct electrical current?
Open Question
Classify each of the following as a strong electrolyte or nonelectrolyte.