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Testing for Acetic Acid Concentration of Vinegar (What will be the…
Testing for Acetic Acid Concentration of Vinegar
How much will I use?
how many tests?
how to obtain high accuracy
5 trials for each type?
have a titre value?
average
how much of acid for the test?
constant through each test
best value?
20-30ml
if 4 trials for three type of vinegar, total amount of vinegar = 240ml
will there be enough base?
larger volumetric flask?
how many tests for each type of vinegar?
time management
accuracy
3, 4 or 5 tests?
will the amount of base solution run out?
What will be the independent variable?
different brands of same type
same acid in different brands or same type vinegar
in different concentrations of water
alters independent variable
different types of vinegar
apple cider
balsamic vinegar
white vinegar
would each type contain different types of acid?
test for acid in general?
identify different types of acid?
different types of acid in one type of vinegar
e.g) apple cider vinegar
citric acid
malic acid
acetic acid
just focus on one?
how to be aware of other acids?
ignore?
creates more uncertainty
most abundant?
base it on strength?
matching base?
What type of test will be required?
titration?
which indicator? would it vary?
different acid, different indicator in same solution?
determine the strength of acid?
pH scale?
how do i find out which indicator is suitable for each type of acid?
will one indicator work for more than one type of acid?
how do i prevent this?
phenolphthalein?
methyl orange?
which base? would it vary?
different acid, different base?
neutralize?
use strongest base?
match with strength of acid?
which base will neutralize with acetic acid?
sodium hydroxide?
sodium carbonate?
pH levels/scale? universal indicator?
will separation techniques be required?
separate liquids?
state of vinegar
liquid
titration is suitable for testing