Ionic Concentration and Conductivity

The video tutorial discusses the concept of electrical conductivity and analyzes different solutions to determine which has the highest conductivity. The teacher explains the importance of ion concentration in conductivity and calculates the ion concentration for each solution. Solution D is identified as having the highest electrical conductivity. The tutorial concludes with a verification of the calculations and the final answer.

What is the primary factor that determines electrical conductivity in solutions?

• The pH level of the solution

• The temperature of the solution

• The color of the solution

• The concentration of ions in the solution

How do you calculate the concentration of ions in a solution?

• By measuring the pH level

• By multiplying the number of ions by the molarity

• By dividing the number of ions by the molarity

• By adding the number of ions to the molarity

What is the concentration of ions in a 0.10 M solution of potassium iodide?

• 0.1 M

• 0.2 M

• 0.05 M

• 0.15 M

How many ions are present in ammonium carbonate?

• Three ions

• Four ions

• Two ions

• Five ions

What is the concentration of ions in a 0.10 M solution of potassium fluoride?

• 0.1 M

• 0.05 M

• 0.15 M

• 0.2 M

How many ions are present in aluminum sulfate?

• Five ions

• Four ions

• Three ions

• Two ions

Which solution has the highest electrical conductivity?

• Ammonium carbonate

• Aluminum sulfate

• Potassium iodide

• Potassium fluoride

What is the concentration of ions in a 0.045 M solution of aluminum sulfate?

• 0.1 M

• 0.2 M

• 0.15 M

• 0.225 M

What is the concentration of ions in a 0.1 M solution of KBr?

• 0.15 M

• 0.2 M

• 0.05 M

• 0.1 M

Why is aluminum sulfate the most conductive solution?

• It is the most basic

• It is the most acidic

• It has the most ions

• It has the highest molarity