Chemistry tools
Calculators and references for self-checking Paper II numerical work.
⚛ Periodic table
118 elements with SL-AL syllabus context — Cr/Cu electron-config anomalies, oxidation states, flame colours, examiner notes.
Open →⚖ Equation balancer
Type a skeletal equation; get balanced coefficients. Handles polyatomic ions, hydrates, charges.
Balance →🧮 Molar mass
Type a formula like Ca(OH)₂·6H₂O; get molar mass plus % composition by element.
🧪 pH calculator
Strong acid/base, weak acid (Ka), buffer (Henderson–Hasselbalch), titration midpoints.
Calculate →