Summary
Summary Volumetric Analysis - AS Revision and A2 Notes
- Course
- Institution
Diagrams and key notes describing volumetric titration. Useful for A2.2 exam and practical examination.
[Show more]
Seller
Follow
katie2310
Content preview
Titration Revision AS·
A titration is a method of volumetric analysis.
when indicator
Reliability
colour changes
Safety Accuracy
·
Use of a
pipette
·
Add solf dropwise ·
Repeat titration 2
filler near end point or 3 times
Read burette at Concordant
readings
·
bottom of (within 0 1cm2
.
meniscus .
Apparatus and practical techniques
Preparing a burette :
E -
· E the
water
burette
reading
meniscus
you'll be
filling it with /
E
the jet tap
pr
,
·
Discard solution n.
o-
·
Fill with solution
using
are
you
&
jet
Preparing a
pipette :
-
lineindicatinote
·
Use a filler
pipette -
·
Rinse pipette with deionised
water then discard water .
I
·
Rinse pipette with solution you
will be it with
filling
·
Discard this solution .
Using a
pipette :
hopethe solution
· Yom of meniscus it in
, Diluting a solution : line
indicating
exact
·
Pipette
solution into
volumetric flask
25cm3 of
a
.
original
clean
volume
&
·
Add deionised water to the
flask until the water is
just
below the line
.
Using disposable pipette add
·
a
deionised water
very slowly
until the bottom of meniscus is
-
on the line
.
·
Stopper the flask and invert
to mix
thoroughly .
See Clashcards for solution from of solid/volume
preparing a a mass
of a
liquid
.
Remember Idm" = I litre
-
Carrying out a titration :
First titration should be and overshoot
(by than 1(m3)
rough an no more
Next titrations should be concordant (within 0 1cm2) .
of each other .
Standard solutions are used.
S
↑ solution for which the concentration is accurately known .
Indicators :
Phenolphthalein Methyl
-
orange
In acid = colourless In acid = red
In alkali In
=
pink alkali-yellow
Used for Used for
If alkali is
strong bases
strong acids
If alkali is in the burette
in the burette : :
Colourless -
> Pink Red >
-
Yellow
If acid is in the burette : If acid is in the burette :
Pink >
-
colourless Yellow -
> Red
END OF AS REVISION
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller katie2310. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.71. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73243 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now