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What is the effect of adding NaOH and Al with H2O? Is the reaction--2NaOH + 2Al + 2H2O → 3H2 + 2NaAlO2?? Answered

I belive this to be the reaction involved in using Drano and I was wondering if it would be effected by the temperature of the H2O and if the reaction would be effected by NaCl mixed in the H2O.

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lemonie
lemonie

12 years ago

You tend to produce hydrates of alumina (Al2O3.xH2O), it's a bit messy. Apart from the actual proportions in the equation I think you've got the idea right.
I don't see that having chloride present would make much difference to this, as -OH and H2O have a much stronger attraction to the aluminium centre.

L