🎯 Aim

To determine pH of various solutions, compare strong/weak acids, study titration changes, and observe the common-ion effect.

pH Color Chart

0714
Strong Acid
Weak Acid
Neutral
Weak Base
Strong Base

Theory

pH Scale: Measures H⁺ ion concentration. pH = -log[H⁺].

Titration: The gradual addition of a base to an acid to reach the equivalence point (neutralization).

Common-Ion Effect: Suppression of weak electrolyte ionisation by adding a strong electrolyte with a common ion.

Model Assumptions

Select a module to see the chemical model used.

pH = -log[H+]

Action Required

Experiment Modules

Predict

Experiment Log
Ready...
Current pH: --
NaOH added: 0.0 mL

Observation and explanation will appear after each test.