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Water And Sucrose Lab Report

977 Words4 Pages

For the first experiment, we found our hypothesis to be supported by our results. We hypothesized that water would be have the most physical change in solute. According to the class data, water was able to dissolve magnesium sulfate, glucose, sucrose, and salt into true solutions. However, for pod six they claimed that their mixture for water and sucrose was more suspension than a true solution. Factors that may contribute to this answer can vary from the how well did they mix their mixture, how long did they mix it for, or their personal perception of what they believe the mixture is classified as. Water is a polar molecule that is held together by covalent bonds. It has two positive hydrogen ions and one negative oxygen ion (Blamire, 2003), when a water molecule interacts with any substances …show more content…

Ethanol as a substance on its own is also polar molecule due to its hydroxyl (OH) group (Schiller, 2017). Similar to water, ethanol has a high electro negative oxygen that attracts it to positive ions. This allows ethanol to form hydrogen bonds with other molecules. However, ethanol also has the ability to dissolve non-polar molecules because of it has an ethyl (C2H5) group (Schiller, 2017). This makes ethanol less of a polar solvent as compared to water in our experiment and explains why most of our mixtures were more suspension than a true solution. Our group also believed that if we had stirred our mixtures for longer than two minutes then the solvent and solute would’ve dissolved better and could’ve been colloidal. Lastly, for oil our group claimed that all of our oil mixtures were suspension. This made sense to us because oil is a non-polar molecule and does not form hydrogen bonds. Oil is also made up of carbon and hydrogen atoms and does not contain any electric charges like water and ethanol. Furthermore, this will make it hard for oil to dissolve any solid substances that are ionically or covalently

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