1.60 g of oxide of iron on heationg in a stream of hydrogen gas is completly converted to 1.12 g of iron. Find the empirical formula of oxide
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Answer: The answer is Fe2O3
Explanation: The mass of Fe is 1.12g and the mass of compound is 1.60g.
Then, mass of oxygen in compund is 0.48g.(1.60-1.12)
Fe- 70%
O2-30%
atomic mass of fe is 56g
atomic mass of oxygen is 16g.
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