Question
Aluminum hydroxide forms a positively charged sol. Which of the following ionic substances should be most effective in coagulating the sol?
NaCl
CaCl2
Fe2(SO4)3
K3PO4
NaCl
CaCl2
Fe2(SO4)3
K3PO4
Answers
DrBob222
The idea behind coagulating sols is to use those salts that have the highest + and - charges and the most ions.
sanjana
nacl