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Побудуйте криві титрування сильних/слабких кислот і основ, позначте буферні області та об’єми еквівалентності й перегляньте кроки Henderson–Hasselbalch або гідролізу; URL для поширення та експорт CSV.
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Balance chemical equations with nullspace Gauss-Jordan steps, compute limiting reagent, theoretical and percent yield, and combine redox half-reactions with shareable outputs.
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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.
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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.