1. What is Degree of Dissociation?

Definition: The Degree of Dissociation is the extent of generating current carrying free ions, which are dissociated from the fraction of solute at a given concentration.

Purpose: It measures what fraction of molecules has dissociated into ions in a solution or gas phase reaction.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( \alpha \) — Degree of Dissociation (unitless)
• \( n_d \) — Number of moles dissociated (moles)
• \( n_{initial} \) — Initial number of moles (moles)

Explanation: The formula calculates the fraction of initial molecules that have dissociated at equilibrium.

3. Importance of Degree of Dissociation

Details: This value is crucial for understanding reaction equilibrium, electrolyte strength, and conductivity in solutions.

4. Using the Calculator

Tips: Enter the number of moles dissociated and initial number of moles. Both values must be positive numbers, with dissociated moles ≤ initial moles.

5. Frequently Asked Questions (FAQ)

Q1: What does a degree of dissociation of 1 mean?
A: A value of 1 means complete dissociation (100% of molecules have dissociated into ions).

Q2: What's a typical range for degree of dissociation?
A: Strong electrolytes approach 1, weak electrolytes range from 0.01 to 0.3, and non-electrolytes are 0.

Q3: How does temperature affect dissociation?
A: Generally, dissociation increases with temperature as bonds break more easily.

Q4: Can degree of dissociation exceed 1?
A: No, it's a fraction between 0 and 1, representing the portion dissociated.

Q5: How is this different from percent dissociation?
A: Percent dissociation is simply degree of dissociation multiplied by 100.