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Harvard University - MATH 116phet_lab

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Name: Lorenzo Lopez, Jonathan Soto, Mikel Kauffman Date: 5/19/2020 Sugar and Salt Solutions PhET – Introduction to Solutions Goal: you will be able to 1). Compare and contrast the behavior of mo... lecular compounds and chemical salts in water. 2). Provide evidence to classify molecular compounds and chemical salts as either as electrolytes or nonelectrolytes 3). Draw particle diagrams that represent aqueous solutions of chemical salts in water and molecular compounds in water 4). Propose an explanation of the behavior of the conductivity tester in the salt and sugar solutions. Shaker to dispense sugar and salt Shaker to dispense sugar and salt Provides the number of particles in solution Provides the number of particles in solution Toggle between sugar and salt Toggle between sugar and salt Adds water from the beaker Adds water from the beaker Place this in the solution to determine conductivity Place this in the solution to determine conductivity Reset Button Reset Button Removes water from the beaker Removes water from the beaker Evaporates water from the beaker Evaporates water from the beaker ● Take a moment to play with the controls before moving on to the procedure! ● Select the Reset All button before proceeding Procedure ● Make sure the solute is selected to salt 1). Pick up the conductivity tester and place it in the water in the beaker. Record your initial observations of the behavior of the light bulb in the water. Nothing is happening to the light bulb 2). Do 1 shake of salt into the water. What do you observe about the light bulb? This study source was downloaded by 100000793680026 from CourseHero.com on 04-08-2021 18:45:30 GMT -05:00 https://www.coursehero.com/file/62357531/phet-lab/ This study [Show More]

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