Chemistry, asked by Saron874, 1 year ago

Determinethe empirical formula ofnan oxide of iron has 69.9% iron and 30.1% dioxygen by mass

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Answered by nishu9915

0

Fe=69.9÷55.8=1.25/1.25=1×2=2
o=30.1÷16=1.88/1.25=1.5×2=3
so formula is Fe2O3
here 55.8 and 16 are their atomic masses

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