Acid-base Equilibrium Sinhala – A/L Chemistry Complete Masterclass

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About Course

✔ Lifetime access ✔ 12+ hours video lessons ✔ Full A/L syllabus coverage
✔ Theory + Problems + Step-by-Step Model answers ✔ Sinhala medium

Acid-Base Equilibrium is one of the most important and high-scoring topics in A/L Chemistry. It combines theory + calculations, making it essential for achieving top grades.

However, many students struggle with:

  • pH calculations
  • Buffer solutions
  • Ka and Kb relationships
  • Understanding weak acids and bases

This AmilaGuru Masterclass is designed to make everything simple and logical.


In this masterclass, you will learn

✔ Strong and weak acids and bases clearly
✔ pH and pOH calculations step-by-step
✔ Ka, Kb, and their relationships
✔ Buffer solutions and their applications
✔ Henderson equation and exam usage

This course focuses on deep understanding + exam performance, helping you:

  • Solve problems confidently
  • Avoid common mistakes
  • Write structured answers

All lessons are explained in simple Sinhala, with a strong exam-oriented approach.


This course is ideal for

• A/L 2026 students
• A/L 2027 students
• Students repeating A/L exam
• Students aiming for A or B grades


Resources Included

✔ Complete video lesson series
✔ Numerical problem-solving sessions
✔ Exam-style questions and discussions
✔ Printed notebook provided for the course
✔ Lifetime access


Course Duration

12+ hours of video lessons


Why This Masterclass is Important

Acid-Base Equilibrium is one of the most important and high-weight topics in A/L Chemistry.

Questions frequently appear on:

  • pH calculations
  • Buffer solutions
  • Ka and Kb relationships
  • Henderson equation

But many students lose marks because they:

❌ Memorize formulas without understanding
❌ Make calculation mistakes
❌ Confuse concepts of weak acids and bases
❌ Cannot structure answers properly

This masterclass solves those problems.

It trains you to:

✔ Understand concepts deeply, not just memorize
✔ Solve calculations step-by-step
✔ Use correct formulas confidently
✔ Write clear, examiner-friendly answers

👉 If mastered properly, this unit becomes a guaranteed scoring area in your A/L exam.


If you attended a physical tuition class covering the full Acid-base Equilibrium lesson, it would cost more than Rs 10,000 – Rs 15,000.

Get lifetime access with a one-time payment and revise the lesson anytime before the exam.

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What Will You Learn?

  • Understand different types of acids and bases
  • Calculate pH and pOH accurately
  • Explain Lewis acids and bases
  • Understand dissociation constants of weak acids and bases
  • Apply relationships between Ka and Kb
  • Understand dilution effects on equilibrium
  • Explain buffer solutions and their importance
  • Use Henderson equation effectively
  • Solve exam questions with confidence

Course Content

Day – 01

  • Lesson 01 – Acids and Bases
  • Assignment 01 – Q1 Answer
  • Assignment 01 – Q2 Answer
  • Lesson 02 – pH Value and pOH Value
  • Assignment 02 – Q1 Answer
  • Assignment 02 – Q2 Answer
  • Assignment 02 – Q3 Answer
  • Assignment 02 – Q4 Answer
  • Lesson 03 – Lewis Acids and Lewis Bases

Day – 02

Day – 03

Day – 04

Day – 05

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