DATA: weight of the crucible + lid (Worucible-Hid) =30.4265 weight of the crucible + lid + magnesium (Worucible lid+Mg) =30.6831 weight of the product + crucible + lid (Worucible-Hlid-Mgo) =30.7168 mass of the product (mg0) = ? CALCULATIONS: Mass of magnesium: mMg = Mass of oxygen: mo = Number of moles of Mg: Mg = Number of moles of O: no = Mole ratio of Mg to O in the compound: Mg / no = Empirical (simplest) formula of the compound: Molecular formula of the compound (Note that the compound is an ionic compound) |

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.