pH of Salt Solution Calculator

Precise Salt Solution Analysis

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Salt Solution pH Calculator

Calculate pH of salt solutions from parent acid/base properties.

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Hydrolysis Calculator

Calculate hydrolysis constants and extent of hydrolysis.

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Mixed Salt Solution Calculator

Calculate pH of solutions containing multiple salts.

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Understanding Salt Solutions

Basic Principles

Key concepts include:

  • Salt hydrolysis
  • Common ion effect
  • Buffer formation
  • Ionic equilibria
  • Activity effects

Types of Salts

Classification:

  • Acidic Salts:
    • Strong acid + weak base
    • pH < 7
  • Basic Salts:
    • Weak acid + strong base
    • pH > 7

Applications

Common uses:

  • Buffer preparation
  • Industrial processes
  • Pharmaceutical solutions
  • Food chemistry
  • Environmental analysis

Advanced Concepts

Additional topics:

  • Mixed salt effects
  • Temperature dependence
  • Ionic strength
  • Activity coefficients
  • Multiple equilibria

Essential Salt Solution Formulas

Salt Hydrolysis

Kh = Kw/Ka

[OH⁻] = √(KhCs)

pH = -log[H⁺]

Mixed Salts

[H⁺] = Ka₁[HA₁]/[A₁⁻]

Common ion effect

Total salt concentration

Buffer Properties

pH = pKa + log([A⁻]/[HA])

β = 2.303Ca(α)(1-α)

Where α = degree of hydrolysis