From this App you can learn :Appreciate the role of stoichiometry in chemistry.Recall the conversion factors. Use the conversion factors to change one physical quantity to other.Restate the standard definition of fundamental units.Write the relationships between a chemical formula as a whole and the individual atoms in that formula using conversion factors.Identify the limiting reagent in a chemical reaction by following a conversion sequence.Determine the theoretical yield in chemical reaction. Calculate the percentage yield in chemical reaction. Calculate the mass percentage of an element in the given compound by identifying the molecular formula.Define and determine empirical formula and molecular formula.More details please visit http://www.wonderwhizkids.com/"Wonderwhizkids.com" hosts concept oriented content in Maths & Sciencesspecially designed for K-8 to K-12 grades. "Wonderwhizkids (WWK) enablesstudents to enjoy learning with application oriented, visually richcontent which is simple and easy to understand. The content is aligned tobest practices of learning and teaching.Students can develop strong basics, critical thinking and problemsolving skills to do well in school and beyond. Teachers can use WWK as areference material to be more creative in designing engaging learningexperiences. Parents also can actively participate in their childsdevelopment through WWK".This topic covers under Chemistry subject as a part of the Chemical Reactions topicand this topic contains following sub topicsStoichiometryConcept of amuConversion sequenceMass spectrometerEmpirical formulaeMass spectrometer