Question

Write a balanced equation for action of sodium hydroxide solution on aluminum

Answer 1

Explanation:

Sodium aluminate is also formed by the action of sodium hydroxide on elemental aluminium which is an amphoteric metal. The reaction is highly exothermic once established and is accompanied by the rapid evolution of hydrogen gas. The reaction is sometimes written as: 2Al + 2NaOH + 2H2O → 2NaAlO2 + 3H.

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Answer 2

The balanced chemical equation is $Al+3NaOH\rightarrow Al(OH)_3+3Na$

Explanation:

A balanced chemical equation is defined as the equation in which total number of individual atoms on the reactant side is equal to the total number of individual atoms on product side.

Every balanced chemical equation follows law of conservation of mass.

The balanced chemical equation for the reaction of aluminium and sodium hydroxide follows:

$Al+3NaOH\rightarrow Al(OH)_3+3Na$

By Stoichiometry of the reaction:

1 mole of aluminium metal reacts with 3 moles of sodium hydroxide to produce 1 mole of aluminium hydroxide and 3 moles of sodium metal

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