- Kalkulator lengkung titrasi asid–bes (dengan langkah) — pH vs isipadu | CalcBE
Plot lengkung titrasi asid–bes kuat/lemah, sorot zon penimbal dan titik kesetaraan, serta semak langkah Henderson–Hasselbalch atau hidrolisis dengan URL boleh kongsi dan eksport CSV.
- Chemical Equation Balancer + Stoichiometry (with steps)
Balance chemical equations with nullspace Gauss-Jordan steps, compute limiting reagent, theoretical and percent yield, and combine redox half-reactions with shareable outputs.
- Significant Figures & Scientific Notation with Steps
Count significant digits, normalize numbers to scientific notation, and apply half-up, half-even, or away-from-zero rounding for + − × ÷ with textbook versus final rounding, CSV export, and shareable logs.
- Buffer pH (Henderson–Hasselbalch) with steps — design, additions, capacity
Compute buffer pH with the Henderson–Hasselbalch equation, design mixtures for a target pH, and model strong acid/base additions with buffer capacity and step-by-step logs.
- Empirical & molecular formula calculator (with steps) — percent composition, combustion analysis, hydrates
Four-mode chemistry calculator extracts empirical and molecular formulas from percent composition, combustion analysis, and hydrate data, with detailed How it's calculated logs, CSV export, and shareable URLs.
- Partial pressure & gas mixing (with steps) — Dalton's law, two-tank mixing, wet gas, van der Waals
Run Dalton’s law, two-tank isothermal mixing, and wet gas corrections with step-by-step logs. Compare van der Waals pressure, export CSV results, and share every setup by URL.