Question

what is the formula of rusting ??​

Answer 1

The chemical equation for the formation of rust is:

Iron + Water + Oxygen = Rust

i.e. 4 Fe(s) + 6 H2O(l) + 3 O2(g) → 4 Fe(OH)3(s)

Then Fe(OH)3 dehydrates to produce Fe2O3.nH2O(s).

Thereby, the chemical formula for rust is Fe2O3.nH2O.

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Answer 2

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what is the formula of rusting ??

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Rusting is the corrosion of iron .

Iron + water + oxygen $\implies$ Rust

[tex]Fe + H_2O + O_2 --) Fe(OH)_3[\tex]

it dehydrates to form

Fe2O3.nH2O