Test confirming the migration of ions by means of indicatorpaper

Item No. P7152100 | Type: Experiments

10 Minutes
10 Minutes
grades 7-10 , grades 10-13
easy
Pupils
EUR 159.60
Content 1 piece
EUR 189.92 Incl. VAT

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Student set General Chemistry digital, TESS advanced Chemistry

Item No. 25300-88D | Type: Set

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Student set General Chemistry, TESS advanced Chemistry

Item No. 25300-88 | Type: Set

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Principle

Strips of indicator paper soaked in potassium nitrate solution are spanned between two copper electrodes inside a ribbed trough. A drop of hydrochloric acid or sodium hydroxide is dripped onto the middle of these strips. When a voltage is applied, it can be seen how the ions migrate along the paper.

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p7152100_ru .pdf
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