When zeolite (hydrated sodium aluminium silicate) is treated with hard water, the sodium ions are exchanged with
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15/12/2021 1:27 pm
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When zeolite (hydrated sodium aluminium silicate) is treated with hard water, the sodium ions are exchanged with
(a) H+ ions
(b) Ca2+ ions
(c) SO42- ions
(d) OH- ions
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15/12/2021 1:32 pm
Correct answer: (b) Ca2+ ions
Explanation:
Na zeolite + CaCl2 → Ca zeolite + 2NaCl
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