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Title: Chemical lab Tequnies testing iron tablets
Description: testing how much iron is in iron tablets
Description: testing how much iron is in iron tablets
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Jamie Hynd
Chemical lab techniques
Task 5
Task 5
Introduction
Iron tablets contain iron iii sulfate inside them which people can buy in stores as tablets
...
Equipment
weighing bottle or boat
five iron tablets (200mg)
approximately 1 mol dm3 sulfuric acid (50 cm3 )
100 cm3 conical flask with stopper
filter funnel and paper
deionised or distilled water in a wash bottle
100 cm3 graduated (or volumetric) flask
burette
stand and clamp
250 cm3 beaker
25 cm3 pipette
pipette filler
25 cm3 measuring cylinder
Two 250 cm3 conical flasks
0
...
Place a stopper on
the conical flask and shake then allow the tablets to dissolve in the acid
...
Rinse the leftover mixture on the filter
paper with deionised water
...
Fill the burette with 0
...
Pour most of the filtered mixture
from the flask into a 250cm³ beaker
...
0cm³ of the iron solution into a
250cm³ conical flask
...
Stop when the solution becomes pink
...
Discussion
The experiment can be improved if a vast majority of iron tablets were tested to see how much
iron is actually inside them
...
The percentage yield of the iron
tablets is 32
...
AQA
...
Carry out a redox titration
...
aqa
...
uk/subjects/AQA2420WTRBPSA10
...
Last accessed 6th june
2016
Title: Chemical lab Tequnies testing iron tablets
Description: testing how much iron is in iron tablets
Description: testing how much iron is in iron tablets