alexlee202204
26.05.2021 •
Chemistry
An iron oxide is 69.94 % in iron. What is the empirical formula of the
compound?
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Ответ:
15 %
Explanation;Mass of hydrogen collected after decomposition = 41.4 grams
Mass of the initial compound = 276 grams
Percentage composition of hydrogen;
= (41.4 /276) × 100%
= 15.0 %