Educational Information and Applications of pH

Introduction

Understanding pH is fundamental in chemistry and many practical applications. This guide covers key formulas, pH ranges, and common applications.

Key Formulas

  • pH = -log₁₀[H⁺]
  • [H⁺] = 10⁻ᵖᴴ
  • pH + pOH = 14 (at 25°C)
  • Kw = [H⁺][OH⁻]

pH Ranges

  • 0-6.9: Acidic
  • 7.0: Neutral
  • 7.1-14: Basic

Applications of pH

  • Water quality testing
  • Aquarium maintenance
  • Food & beverage industry
  • Laboratory analysis

Why pH Matters

  • pH affects chemical reactions, biological processes, and environmental conditions.
  • Monitoring pH is crucial in many industries for safety and quality control.

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