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08/12/2021 10:55 am
Topic starter
Polyphosphates are used as water softening agents because they
(a) form soluble complexes with anionic species
(b) precipitate anionic species
(c) form soluble complexes with cationic species
(d) precipitate cationic species
1 Answer
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08/12/2021 10:57 am
Correct answer: (c) form soluble complexes with cationic species
Explanation:
Polyphosphates form soluble complexes with Ca2+ and Mg2+ and are removed.