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• Što se dogodi kad se u otopinu sapuna<br />

doda neka jaka kiselina?<br />

• Sapuni su soli viših masnih kiselina,<br />

kao što je stearinska kiselina.<br />

• Više masne kiseline su slabe kiseline,<br />

pa ih jače kiseline istiskuju iz njihovih<br />

soli.<br />

• Pritom nastaju u vodi netopljive<br />

slobodne masne kiseline.

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