khalidayman639 khalidayman639

26-12-2023
Chemistry

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juhiselenophile juhiselenophile

26-12-2023

Answer:

Explanation:

Let the molecule be

FeaOb∴

mass % of iron × molar mass of FexOy

= Atomic mass of iron × a69.9

100 160=56aa=2

Similarly for oxygen

30.1100×160=16bb=3

Molecular formula is

Fe2O3.

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