Concentration of Acid 2 given Relative Strength, Conc of Acid 1 and Diss Const of both Acids Calculator

Formula Used:

\[ C_2 = \frac{C'_1 \times K_{a1}}{(R_{strength}^2) \times K_{a2}} \]

Conc. of Acid 1:

mol/m³

Dissociation Constant of Weak Acid 1 (Ka1):

Relative Strength of Two Acids:

Dissociation Constant of Weak Acid 2 (Ka2):

Concentration of Acid 2 (mol/m³):

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1. What is Concentration of Acid 2 Calculator?

Definition: This calculator determines the concentration of a second weak acid based on the concentration of the first acid, their dissociation constants, and relative strength.

Purpose: It helps chemists and students compare and calculate acid concentrations when studying acid-base chemistry and equilibrium.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ C_2 = \frac{C'_1 \times K_{a1}}{(R_{strength}^2) \times K_{a2}} \]

Where:

\( C_2 \) — Concentration of Acid 2 (mol/m³)
\( C'_1 \) — Concentration of Acid 1 (mol/m³)
\( K_{a1} \) — Dissociation constant of weak acid 1
\( R_{strength} \) — Relative strength of the two acids
\( K_{a2} \) — Dissociation constant of weak acid 2

Explanation: The formula relates the concentrations of two weak acids through their dissociation constants and relative strength.

3. Importance of Acid Concentration Calculation

Details: Accurate acid concentration calculations are essential for preparing buffer solutions, predicting reaction outcomes, and understanding acid-base equilibria.

4. Using the Calculator

Tips: Enter the concentration of acid 1, both dissociation constants (default values for common weak acids provided), and their relative strength. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: What is the relative strength of acids?
A: It's the ratio of hydrogen ion concentrations of acid 1 compared to acid 2 under the same conditions.

Q2: Where can I find dissociation constants for acids?
A: Ka values are typically found in chemistry reference tables or textbooks.

Q3: Why is the relative strength squared in the formula?
A: The squared term accounts for the quadratic relationship between concentration and acid strength.

Q4: Can I use this for strong acids?
A: No, this calculator is specifically for weak acids that partially dissociate.

Q5: What units should I use for concentration?
A: The calculator uses mol/m³, but you can convert from other units (like mol/L) as needed.