Acid-Base Solutions (1).docx - PhET Computer Simulation...

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PhET Computer Simulation Activity: Acid-Base Solutions and pH ScalePhET Investigation of Acids-BasesName: Elizabeth BavarescoPart A.Introduction1.Take a few minutes toplaywith the sim (-base-solutions).Check out both the Introduction and Custom Solution tabs.Explorewhat factors affect pH.Listthe factors you found that affect pH.Investigating Concentration Changes2.a.Createa strong acidsolution in the “Custom Solution” tab.b.Drawbar graphs for Initial and Equilibrium concentrations.Hints:No calculator needed – try the ‘Equilibrium Concentration’ view.Don’t forget to label your graphs!Initial ConcentrationsEquilibrium Concentrationsc.What equilibrium concentrations are affected by changing the initial concentration?
3.a.Createa weak acidsolution in the “Custom Solution” tab.b.Drawbar graphs for Initial and Equilibrium concentrations.Hints:No calculator needed – try the ‘Equilibrium Concentration’ view.Don’t forget to label your graphs!Initial ConcentrationsEquilibrium Concentrations
PhET Computer Simulation Activity: Acid-Base Solutions and pH Scalec.What equilibrium concentrations are affected by changing the initial concentration?
4.Are your results for the strong and weak acid in questions 2 and 3 consistent with thedefinition of strong and weak acids?
Investigating the Effects of Acid Strength and Concentration5.a.What does the ‘strength’ slider (in the sim) effect?

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Term
Spring
Professor
HANSON
Tags
pH, Acids

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