2. The picture in the introduction shows that the mass of a crucible and lid was determined to be 22.1504 g. The hydrate was placed into the crucible, and now the crucible with lid and hydrate weighed 24.2901 g. The hydrate in the crucible was then heated and all water was removed. Once cooled, the crucible with lid and dried hydrate weighed 23.0063 g. a) Calculate the mass of the hydrate. b) Calculated the mass of water lost. c) Calculate the mass percentage of water in the hydrate. percent (%) composition = of water mass of water lost х 100 mass of entire hydrate
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
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