Learning Goal: I’m working on a chemistry project and need an explanation and answer to help me learn.
To include in your PPT presentation:
|Steps||Description of steps||Students must do|
|(4)||Average volume of NaOH used (mL)||Provide Calculations|
|(5)||Average volume of NaOH used (L)||Provide Calculations|
|(6)||Moles of NaOH used in titration||Provide Calculations|
|(7)||Moles of HC2H3O2 neutralized by NaOH||Provide Calculations|
|(8)||Molarity of HC2H3O2||Provide Calculations|
|(9)||Grams of HC2H3O2||Provide Calculations|
|(10)||Percent (m/v) of HC2H3O2 in vinegar||Provide Calculations|
Your lab assignment presentation involves putting together a PowerPoint presentation to show other students how to perform titration. In other words, your presentation can be used to show other students (next term) how they can perform a titration by following your instructions and calculations.
To do this presentation (minimum 6 slides, in PowerPoint format), we are providing you with an acid, acetic acid (HC2H3O2) and the base (NaOH), and you will use phenolphthalein as an indicator.
You will create a mock titration experiment and use given hypothetical data (volume of vinegar, Molarity of NaOH and volume of NaOH for three trials) to solve the titration calculations (consult your instructor if you need further clarification). At the end of your presentation (only PPT slides), you will calculate (1) the unknown concentration of the acetic acid (Molarity) and (2) the % mass/vol of the Vinegar solution. Here is the hypothetical experimental data that was obtained after your hypothetical titration. Use the data provided for your calculations:
Your instructor will provide data for steps 1 and 2:
Students must complete Steps 3-10 for their presentation results!
Concentration of NaOH (from the bottle): __0.200 M___
The volume of vinegar used (that you poured in the flask): __6.50 mL____
|Step:||Trial 1||Trial 2||Trial 3|
|(1)||Initial NaOH level in buret||0.00 mL||0.00 mL||0.00 mL|
|(2)||Final NaOH level in buret||34.10 mL||35.10 mL||34.70 mL|
|(3)||Volume (mL) of NaOH us|
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