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Principle
Buffer solutions usually consist of weak acids and their conjugate bases. Acids neutralise hydroxide-ions, bases on the other hand oxonium-ions. A buffer solution is produced by adding an equimolar mixture of a weak acid and its salt (e.g. acetic acid and sodium acetate) or a weak base and its salt (e.g. ammonium chloride and ammonia).
In this experiment student examin a buffer solutions (here: acetate buffer) and how they work by adding a strong base (here: sodium hydroxide solution) to such.
Benefits
- Experiment literature available for pupils and teachers: Minimum preparation time
- Simple teaching and efficient learning by using the available interactive experiment literature
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Digital learning
(de) Versuchsbeschreibung
p7511669d .pdf
File size 4.62 Mb
pdf
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(en) Experiment guide
p7511669e .pdf
File size 4.63 Mb
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