Determination of the solubility product of silver halides

VC1.7.3.2
Determination of the solubility product of silver halides
Determination of the solubility product of silver halides

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Description

In experiment C1.7.3.2, the solubility product of silver salts is determined. The solubility product is the product of the concentrations of cations and anions of an electrolyte in a saturated aqueous solution at constant temperature. In a saturated salt solution, a chemical equilibrium exists between the solid and the solution, i.e. just as many ions leave the ion lattice per unit time as enter it in the opposite sense. Using voltage measurements and the Nernst equation, the solubility products of the low solubility salts AgCl, AgBr and AgI are determined.

Components of equipment sets

1 531836 Universal measuring instrument, Chemistry LD
1 5240621  4  UIP sensor S LD
4 664137  4  Beaker, Boro3.3, 100 ml, tall LD
1 665754  4  Measuring cylinder 100 ml, with plastic base LD
1 667455  4  Salt bridge, 90 mm x 90 mm, 20 mm diam. LD
1 667255  4  Rubber stopper, solid, 16...21 mm diam. LD
1 664130  4  Beaker, Boro 3.3, 250 ml, squat LD
1 664421  8  Plate electrodes, silver, 55 x 40 mm, set of 2 LD
1 501861  4  Crocodile-clips, polished, set of 6 LD
1 50144  4  Connecting leads, 19 A, 25 cm, red/blue, pair LD
1 6677977  4  Electronic Balance 440-3N, 200 g : 0.01 g LD
1 666963  4  Spoon-ended spatula, stainless steel, 120 mm LD
1 30011  8  Saddle base LD
1 30042  8  Stand rod, 47 cm, 12 mm diam. LD
1 30109  4  Bosshead S LD
1 666555  4  Universal clamp 0...80 mm LD
1 665953  4  Dropping pipette, 7 x 150 mm, 10 pcs. LD
1 665954  8  Rubber bulbs, 10 pcs LD
1 665009  4  Funnel PP, 75 mm Ø LD
1 6748800  4  Silver nitrate solution, 0,1 mol/l, 250 ml LD
1 6735740  4  Sodium chloride solution, approx. 1 M, 500 ml LD
1 6724930  4  Potassium bromide solution, approx. 1 M, 250 ml LD
1 6726620  4  Potassium iodide, 50 g LD
1 6726800  4  Potassium nitrate, 100 g LD

Experiment Instructions

PDF (Experiment description) PDF (Experiment description) C1.7.3.2 Determination of the solubility product of silver halides
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