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REACTION OF METALUMINATE WITH ALUMINIUM ION
Al3++3AlO2-+6H2O ==4Al (OH)3↓
Al3+ is weak base cation, Al3+3H2O==Al (OH)3+3H+
AlO2- is a weak acid anion, AlO2-+2H2O==Al (OH)3+OH-
The H + and OH - formed by the two reactions were neutralized, which promoted the hydrolysis of Al 3+ and AlO 2- ions.
Will aluminum react with metaaluminate ions Does aluminum react with metaaluminate ions
Al3+ can react with AlO2-.
Al3++3AlO2-+6H2O=4Al (OH)3↓
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