Conductometric titration of a hydrochloric acid solution

VC3.5.2.1_p
Conductometric titration of a hydrochloric acid solution
Conductometric titration of a hydrochloric acid solution

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Description

In experiment C3.5.2.1, an acid-base titration is performed in which a hydrochloric acid solution is titrated with sodium hydroxide. Because hydronium ions and hydroxide ions have very high conductivity, the equivalence point is easy to determine. During the titration, the conductivity falls at first because more and more hydronium ions are neutralised.

Beginning exactly from the equivalence point, it starts to rise again because then there is a surplus of hydroxide ions.

Components of equipment sets

1 666425  4  Panel frame C50, two-level, for CPS LD
2 6664659  4  Adhesive magnetic board 500 mm LD
3 6664662  4  Holder, magnetic, size 2, 11...14 mm LD
1 5240036  4  Holder for Mobile-CASSY 2, CPS LD
1 524005W2 Mobile-CASSY 2 WiFi LD
1 524220  4  CASSY Lab 2 LD
1 5240671  4  Conductivity adapter S LD
1 529670  4  Conductivity sensor LD
1 607105  8  Magnetic stirrer mini LD
1 604592  4  Stirring magnet, PTFE, oval, l = 40 mm, 20 mm diam. LD
1 664103  4  Beaker, DURAN, 250 ml, squat LD
1 665975  4  Bulb pipette, 10 ml, one mark LD
1 666003  4  Pipetting ball (Peleus ball) LD
1 665845  4  Burette, clear glass, 25 ml LD
1 665816  4  Burette filling funnel plastic, 35 mm Ø LD
1 30076  8  Laboratory stand II LD
1 6746950  4  Hydrochloric acid, 0.1 mol/l, 500 ml LD
GHS05 H290
1 6738410  4  Sodium hydroxide solution, 0.1 mol/l, 500ml LD
GHS05 H290
1 additionally required: PC with Windows 7 or higher with WIFI or USB connection

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) C3.5.2.1 Conductometric titration of a hydrochloric acid solution, CPS variety
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