Electrolytes

If an electrical current can run through a solution, it is said to contain

• magic
• nonelectrolytes
• electricity
• electrolytes

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

An example of a nonelectrolyte is

• sugar water
• salt water
• sodium chloride
• hydrogen chloride

The thing that does the dissolving

• Solute
• Solvent
• Colloid
• Solution

Which of the following is an electrolyte?

• CH₄
• I₂
• LiBr
• CO

Tags

NGSS.MS-PS2-3

What is a solvent?

• The substance that does the dissolving in a solution.
• The substance that is being dissolved in a solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons

What is a solute?

• The substance that does the dissolving in a solution.
• The substance that is dissolved into the solution.
• The mixing of different substances.
• The process in which neutral molecules lose or gain electrons

Write dissociation equations for the following electrolytes. Show physical states of all species involved!
ZnCl₂

• ZnCl_2(s) → Zn²⁺_(aq) + Cl^-_(aq)
• ZnCl_2(s) → Zn⁺_(aq) + 2Cl^-_(aq)
• ZnCl_2(s) → Zn²⁺_(aq) + 2Cl^-_(aq)
• ZnCl_2(s) → Zn⁺_(aq) + Cl^-_(aq)

Write dissociation equations for the following electrolytes. Show physical states of all species involved!
Ca(NO₃)₂

• Ca(NO₃)_2(s) →Ca⁺_(aq) + 2NO₃^- _(aq) 
• Ca(NO₃)_2(s) → Ca²⁺_(aq) + 2NO₃^- _(aq) 
• Ca(NO₃)_2(s) →Ca²⁺_(aq) + NO₃^- _(aq) 
• Ca(NO₃)₂ →Ca⁺ + 2NO₃^- 

Write dissociation equations for the following electrolytes. Show physical states of all species involved!
AgClO₃

• AgClO_3(s) →  Ag_(aq) + ClO_3(aq) 
• AgClO_3(s) →Ag⁺_(aq) + Cl_2 (aq) + O_2(aq)
• AgClO_3(s) →Ag⁺_(aq) + Cl^-_(aq) + 3O^2-_(aq)
• AgClO_3(s) → Ag⁺_(aq) + ClO₃^-_(aq) 

Determine whether the following acid is monoprotic, diprotic, or triprotic:
HCl

• monoprotic
• diprotic
• triprotic
• huh