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Influences on the voltage of concentration cells - Digital

LC3.1.2.8C
Influences on the voltage of concentration cells - Digital
Influences on the voltage of concentration cells - Digital

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Description

The standard electrode potential of CuSO4 half-elements is measured before and after adding the potassium iodide/ammonia. The concentration of the potential-causing ions is influenced by precipitation/complex formation in this way and the electrochemical potential of the concentration chain is changed.

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Beaker Boro 3.3, 100 ml, squat LD
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Connecting lead 19 A, 50 cm, blue LD
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Grindstone LD
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Spare Diaphragms, 100 sheets LD
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Plate electrode copper 43 x 28 mm LD
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Electrochemistry Box M LD
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Laboratory safety goggles LD
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Safety gloves, nitrile rubber, size 8 LD
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Potassium iodide solution, approx. 1 M, 250 ml LD
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Ammonia solution, 25 %, 250 ml LD
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