Chemistry, asked by kawal6, 1 year ago

determine the empirical formula of an oxide of iron which has 69.9%iron and 30.1% oxygen by mass

Answers

Answered by Zak111
8
Empirical formula of an oxide of iron which has 69.9 iron



%of iron by mass
_______________
% atomic mass of iron


= 69.9
_______
55.85

= 1.25



% of oxygen by mass
_________________
atomic mass of Oxygen

= 30.1
_______
16.00

= 1.88

Zak111: Hope it helps
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