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