Posted By: Xofon (Xof) on 'CZscience'
Title:     Re: Vodni kamen
Date:      Mon Feb 13 12:44:40 2006


> Poradi nekdo k jake chemicke reakci tam doslo? 

     Podle mne k

kyselina + sul slabsi kyseliny -> slabsi kyselina + jina sul,

     a jina sul se snaze odplavi. Konkretneji bych rekl, ze k (pokud vodni 
kamen by mohl byt uhlicitan vapenaty) 

2 CH3COOH + CaCO3 -> Ca(CH3COO)2 + H2O + CO2.

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     Xof
:wq