Kalcia klorido

${\displaystyle \mathrm {CaCO_{3}+2\ HCl\longrightarrow CaCl_{2}+CO_{2}+H_{2}O} }$

${\displaystyle \mathrm {2\ NH_{4}Cl+Ca(OH)_{2}\longrightarrow 2\ NH_{3}+CaCl_{2}+2\ H_{2}O} }$

3 CaCl₂(aq) + 2 K₃PO₄(aq) → Ca₃(PO₄)₂(s) + 6 KCl(aq)