This application is a chemistry tutorial which focuses on the Mole Concept. It has 300 solved questions on the same topic. The tutorial is divided into subtopics as follows:

1. Introduction to the Mole Concept.

2. Determination of Formula.

3. Molar Gas Volume.

4. Gay-Lussac's Law of Combining Volumes.

5. Reacting Volumes and Masses.

6. Volumetric Analysis.

Each subtopic has an introduction expounding it and is followed by a set of rigorous questions that are solved in a step by step basis for an in depth understanding of the concept by the readers.