4.17

$NH_3\left(aq\right)+CH_3COOH\left(aq\right)\rightarrow CH_3COONH_4\left(aq\right)+H_2O\left(l\right)$

ammoniumasetaatti

$2\ Al\left(OH\right)_3\left(aq\right)+3\ H_2SO_4\left(aq\right)\rightarrow Al_2\left(SO_4\right)_3\left(aq\right)+6H_2O\left(l\right)$

alumiinisulfaatti

$H_3PO_4\left(aq\right)+Ca\left(OH\right)_2\left(aq\right)\rightarrow CaHPO_4\left(aq\right)+2\ H_2O\left(l\right)$

kalsiumvetyfosfaatti