ph of mixture of two weak acids | ph of mixture of weak acid and strong acid | polyprotic acid |

Описание: Are you struggling with complex pH calculations in Ionic Equilibrium? In this in-depth masterclass, we break down the most challenging cases of pH mixtures to help you move from confusion to clarity.
Whether you are preparing for JEE Advanced, JEE Mains, or NEET, understanding how to calculate the pH of a mixture of two weak acids or a strong acid with a weak acid is crucial. We also dive deep into the behavior of Polyprotic Acids (like H₂SO₄) and how to handle multiple dissociation constants (Ka₁, Ka₂).

🔍 What You Will Learn in This Video:
1. Mixture of Two Weak Acids: Detailed derivation of the [H⁺] concentration formula and how to account for common ion effects.
2. Strong Acid + Weak Acid Mixtures: Why the strong acid dominates and how to calculate the remaining degree of dissociation (α) for the weak acid.
3. Polyprotic Acid Deep-Dive: Systematic approach to acids that donate more than one proton.
4. The "8-Category" Framework: A systematic way to categorize every pH problem so you never use the wrong formula again.
5. JEE Advanced Level Problems: Real-world calculation practice, including the dissociation of H₂SO₄.

⏰ Timestamps for Quick Navigation:
00:00:00 - Introduction to mixtures of strong acids and bases
00:00:55 - Formula for total H⁺ in acid mixtures
00:04:32 - Formula for total OH⁻ in base mixtures
00:06:37 - Relationship between pH, pOH, and Kw
00:07:29 - Numerical examples of acid mixtures
00:12:19 - Numerical examples of base mixtures
00:22:14 - Mixing solutions using given pH values
00:29:25 - Strong acid–strong base neutralization
00:34:51 - Excess H⁺ / OH⁻ method
00:45:12 - Mass-based acid–base mixture problems
00:47:18 - Weak acid–strong acid mixture and common ion effect
00:49:06 - Weak acid + strong acid numerical example
00:51:27 - Quadratic solution and pH calculation
00:54:22 - Degree of ionization (α) with strong acid present
00:58:09 - Polyprotic acids and polybasic bases
00:59:29 - Stepwise dissociation of diprotic acids
01:03:07 - Approximation using Ka₁ ≫ Ka₂
01:07:26 - Final pH formula for diprotic acids
01:13:38 - Isohydric solutions concept
01:15:29 - pH calculation of H₂SO₄

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