# PowerPoint presentation to show other students how to perform titration

Background Info:
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 a video that illustrates the titration process and necessary calculations:
Titration Experiment & Calculate the Molarity of Acetic Acid in VinegarLinks to an external site.
Here is the hypothetical experimental data that was obtained after your hypothetical titration. Use the data provided for
Your instructor will provide data for steps 1 and 2:
Students must complete Steps 3-10 for their presentation results!
The concentration of NaOH (from the bottle):
__0.250 M___
The volume of vinegar used (that you poured in the flask): __7.50 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
15.10 mL
16.10 mL
15.70 mL
(3)
Volume (mL) of NaOH used

Your presentation must consist of more than merely a series of bullet points to earn full credit.
Remember, you want to teach your peers how to do titration experiment and calculations. Your experiment
should be reproduced with ease.
Use the Notes section for each slide to fully explain your answers, if necessary.
TurnItIn will be used, so paraphrase where necessary to avoid plagiarizing.
carefully read it before you start creating your assignment. Remember there are 50 points, so your work must show
quality and effort.
To include in your PPT presentation:
Part 1

Title page
Purpose of a titration, what is titration and why do we perform a titration?

Include your thoughts on why understanding acid/base titration is important to your future career, and how you
will use this concept as you complete your degree (at least 5 sentences with examples). Note: this section
should provide insightful discussion).
Instrumentation – what are the instruments and glassware used when performing a titration.
Chemicals and Procedures. What chemicals are needed? List and explain the procedures for this experiment.
Observations and expectations – List the observations and write your expectations. This might include color
change and when the equivalence point (endpoint) might be reached.
Part 2

Steps
Calculations and Results. Show all your step-by-step calculations and write your results for the Molarity of the
acetic and the % of the acetic acid.
Your results must include the following step-by-step calculations:
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

HINT: Remember sig figs in calculations to properly express your final answers (molarity and % mass):
o multiplication/division -> fewest sig figs
Reference page (in proper APA format)
For help and videos:

Your instructor will provide guidance and examples to complete titration calculations.
o Here is the potential template for PTT, you can modify it any way you want:

Rough template for Week 8 Sig Assignment Chem 280 Download Rough template for
Week 8 Sig Assignment Chem 280
o Here is the calculation guide:
▪ Calculations for Week 8 Signature Assignment Download Calculations for Week 8 Signature
Assignment
o Review supplemental videos:
Setting up and Performing a TitrationLinks to an external site.
Molarity Made Easy: How to Calculate Molarity and Make SolutionsLinks to an external site.
Molarity – Chemistry TutorialLinks to an external site.
Molarity Practice ProblemsLinks to an external site.
Molarity Practice Problems (Part 2)Links to an external site.
Mass-Volume Percent: How to Solve Concentration Questions %(m/v)Links to an external site.

Read chapters 13 and 14 for review solutions and acid-base reactions
This assignment should be in the current APA Style with both a title slide and a reference list that includes all the sources
used. At least two scholarly sources should be used (your textbook can be one of the sources). For proper referencing of
your resources, consult Library on Canvas, APA 7th Edition Guide.
Rubric
Week 8 Signature Assignment Rubric
Week 8 Signature Assignment Rubric
Criteria
This criterion is
OutcomeCompletio
n of lab scenario
This criterion is
OutcomeApplicatio
n of scenario
Ratings
Pts
25 to >22.25 pts
Exceeds Expectations
Identifies and demonstrates
a sophisticated
understanding of the
acid/base titration process,
and how to analyze and
interpret data.
22.25 to >18.0 pts
Meets Expectations
Identifies and demonstrates
a satisfactory
understanding of the
acid/base titration process,
and how to analyze and
interpret data
18 to >14.75 pts
Approaches
Expectations
Identifies and
demonstrates some
understanding of the
acid/base titration process,
and how to analyze and
interpret data
14.75 to >0 pts
Does Not Meet
Expectations
Does not demonstrate an
acceptable understanding
of the acid/base titration
process, and how to
analyze and interpret data
10 to >8.9 pts
Exceeds Expectations
Presents an insightful and
thorough analysis on the
importance of
understanding how to
compute properties of
solutions.
8.9 to >7.2 pts
Meets Expectations
Presents a somewhat
insightful and thorough
analysis on the importance
of understanding how to
compute properties of
solutions.
7.2 to >5.9 pts
Approaches Expectations
Presents a less than
insightful and thorough
analysis on the importance
of understanding how to
compute properties of
solutions.
5.9 to >0 pts
Does Not Meet
Expectations
Presents a superficial or
incomplete analysis on the 10 pts
importance of
understanding how to
compute properties of
solutions.
25 pts
Week 8 Signature Assignment Rubric
Criteria
This criterion is
OutcomePowerPoin
t Presentation
Visual
Ratings
10 to >8.9 pts
Exceeds Expectations
The PowerPoint is
engaging and interesting for
the audience. The
PowerPoint demonstrates a
sophisticated clarity,
conciseness, and
correctness; includes
thorough details, relevant
data, and information; and
is extremely well
organized. Slide number
requirements are met.
8.9 to >7.2 pts
Meets Expectations
The PowerPoint is
interesting, but does not
fully engage the audience.
The PowerPoint is
accomplished in terms of
clarity and conciseness and
contains only a few errors;
includes sufficient details,
relevant data, and
information; and it is well
organized. Slide number
requirements are met.
Pts
7.2 to >5.9 pts
Approaches Expectations
The PowerPoint is not
very interesting or
engaging. The PowerPoint
lacks clarity or conciseness
and contains numerous
errors; provides
insufficient detail, relevant
data, and information; and
lacks organization. Slide
number requirements may
not be met.
5.9 to >0 pts
Does Not Meet
Expectations
The delivery is not
interesting or engaging.
The PowerPoint is
unfocused, rambling, or
contains serious errors;
lacks detail, relevant
data, and information;
and is poorly organized.
Slide number
requirements are not
met.
10 pts
Week 8 Signature Assignment Rubric
Criteria
Ratings
Pts
This criterion is
OutcomeWriting
Mechanics
2.5 to >2.23 pts
Exceeds Expectations
The writing demonstrates a
sophisticated clarity,
conciseness, and
correctness; includes
thorough details, relevant
data, and information; and
is extremely well
organized. Punctuation,
spelling, and capitalization
are all correct. There are no
errors (0 errors).
2.23 to >1.8 pts
Meets Expectations
The writing is accomplished
in terms of clarity and
conciseness and contains
only a few errors; includes
sufficient details, relevant
data, and information; and
is well organized.
Punctuation, spelling, and
capitalization are generally
correct with few errors (1–2
errors).
1.8 to >1.48 pts
Approaches Expectations
The writing lacks clarity or
conciseness and contains
numerous errors; provides
insufficient detail, relevant
data, and information; and
lacks organization. Errors
in punctuation, spelling,
and capitalization detract
paper (3–4 errors).
1.48 to >0 pts
Does Not Meet
Expectations
The writing is unfocused,
rambling, or contains
serious errors; lacks
2.5 pt
detail, relevant data, and
s
information; and is
poorly organized. There
are many distracting
errors in punctuation,
spelling, and
capitalization (>4 errors).
Week 8 Signature Assignment Rubric
Criteria
Ratings
Pts
This criterion is
OutcomeAPA Style
2.5 to >2.23 pts
Exceeds Expectations
Uses APA Style guidelines
accurately and consistently
to cite sources (0 errors).
Sources are used and cited
expertly and are peerreviewed, relevant sources.
Total Points: 50
2.23 to >1.8 pts
Meets Expectations
Uses APA Style guidelines
with minor violations to
cite sources (1–2 errors).
Sources are somewhat
relevant but may be limited
in scholarly nature.
1.8 to >1.48 pts
Approaches Expectations
Reflects incomplete
knowledge of APA Style
guidelines (3–4 errors).
Sources are not cited or
cited with many errors.
Sources are not scholarly in
nature.
1.48 to >0 pts
Does Not Meet
Expectations
Does not use APA Style
2.5 pt
guidelines. No scholarly
s
research is evident.
Does not meet the
required number of
sources.

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