Concentrations
Marcal Casas Cartagena Education iPhoneiPadiPod touch
Concentrations is a free Education app for iPhone and iPad by Marcal Casas Cartagena. Requires iOS 18.5. Updated February 22, 2026.
- Price
- Free
- on the App Store
- Size
- 7 MB
- Age 4+
- Updated
- Feb 22
- 2026 · v3.1
Screenshots
About Concentrations
Concentrations is a powerful chemical calculator designed for laboratory professionals who need fast, accurate concentration calculations in the field. Say goodbye to manual dilution factor calculations, density conversions, and purity adjustments. The Problem We Solve: Ever needed to prepare a 1M sulfuric acid solution, but your stock bottle only shows "98% w/w" with molecular weight and density? Concentrations does the complex math for you instantly—just input your stock solution data and get precise preparation instructions with a single tap. Key Features: Smart Dilution Calculator – Calculate dilution parameters from stock solutions or known molar concentrations with ease Comprehensive Concentration Types – Support for Molar, Normal, Molal, Mole Fraction, Mass Concentration, Volume Fraction, and more Simple Input, Powerful Results – Enter your compound's molecular weight, desired concentration, and volume—Concentrations handles the rest Customizable Precision – Adjust decimal places in results to match your experimental requirements Localized Interface – Automatically adapts decimal indicators to your regional format Who It's For: Perfect for chemists, laboratory technicians, students, and researchers who need reliable concentration calculations without the hassle of manual computation. Stop fumbling with calculators and conversion tables. Get accurate results every time with Concentrations.
What’s new
Version 3.1 · Updated February 22, 2026
I found some bugs and I send them to a farm. With other bugs. They are happy there. Also some performance improvements.
App privacy
The developer, Marcal Casas Cartagena, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Concentrations | – | Free | February 22, 2026 | |
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| Chemistry Toolbox | – | Free | May 7, 2026 | Compare |
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