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Limnite Is an Ore Having a Formula That Is Sometimes

Question 40

Multiple Choice

Limnite is an ore having a formula that is sometimes written as an iron(III) oxide hydrate,Fe2O3·xH2O.If 1.00 kg of limnite produces 0.747 kg of anhydrous Fe2O3 upon heating,what is the number of waters of hydration x in the Fe2O3·xH2O?


A) 1
B) 2
C) 3
D) 4

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