Acids, Bases & Titration

Explore pH with virtual lab tools: compare strong and weak acids at the same concentration, dilute acids and bases, run an acid–base titration and draw its curve, and see why buffer solutions resist pH change.

12 interactive Chemistry simulations on acids, bases & titration.

Strong vs Weak Acids – Same Concentration, What Differs? Chemistry · Acids, Bases & Titration Two beakers side by side: HCl and a weak acid (CH₃COOH, HCOOH, HF or HClO) at the same concentration. A magnifier... Ages 16–17
Acid–base models – Arrhenius, Brønsted–Lowry and Lewis, conjugate pairs Chemistry · Acids, Bases & Titration Pick a reaction (HCl + H₂O, NH₃ + H₂O, CH₃COOH + NH₃, HCO₃⁻ + H₂O, HCl + NH₃ as gases, BF₃ + NH₃, Cu²⁺ + NH₃ and... Ages 16–17
Acid–Base Titration and the Titration Curve Chemistry · Acids, Bases & Titration Add NaOH solution drop by drop from a burette into the acid in an Erlenmeyer flask. The pH-vs-volume graph updates... Ages 17–18
Conductivity – Kohlrausch's law and conductometric titration Chemistry · Acids, Bases & Titration A virtual practical with a conductivity meter. On the Conductivity cell screen, change the electrolyte and its... Ages 16–17
Titration of unknowns – vinegar, juice and hydrogen peroxide Chemistry · Acids, Bases & Titration Every run hides a randomly chosen concentration in a sample of hydrochloric acid, vinegar, fruit juice or pharmacy... Ages 17–18
Acid and base strength from molecular structure Chemistry · Acids, Bases & Titration Why is one acid stronger than another? Change bond polarity and bond strength (period 2 hydrides, hydrogen halides),... Ages 16–17
Acid–base solutions – strong vs weak and measuring pH Chemistry · Acids, Bases & Titration Intro screen: choose Water, Strong acid, Weak acid, Strong base or Weak base (fixed concentration 0.100 M) to... Ages 16–17
Buffer Solutions – Why Does the pH Hardly Change? Chemistry · Acids, Bases & Titration Add drops of HCl or NaOH to two beakers, distilled water and a buffer (CH₃COOH/CH₃COO⁻, NH₄⁺/NH₃, H₂PO₄⁻/HPO₄²⁻ or... Ages 16–17
Diluting Acids and Bases – How Does the pH Change? Chemistry · Acids, Bases & Titration A virtual experiment with a pH meter: start from an HCl, CH₃COOH, NaOH or NH₃ solution of concentration C; at each... Ages 16–17
Reactions of dilute acids – metals, carbonates, bases and alkalis Chemistry · Acids, Bases & Titration A virtual test-tube bench: dilute hydrochloric, sulfuric and ethanoic acid react with magnesium, zinc, iron, copper,... Ages 13–14
pH scale – measuring and mixing acids and bases Chemistry · Acids, Bases & Titration Measure the pH of everyday liquids (battery acid, stomach acid, orange juice, coffee, milk, hand soap, drain... Ages 16–17
Salt hydrolysis – the pH of salt solutions Chemistry · Acids, Bases & Titration Dissolve NaCl, KNO₃, NH₄Cl, AlCl₃, FeCl₃, CH₃COONa, Na₂CO₃, CH₃COONH₄ or NH₄CN in water at a chosen concentration,... Ages 16–17