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The Mineral Pyrolusite Is a Compound of Manganese-55 and Oxygen-16

Question 107

Multiple Choice

The mineral pyrolusite is a compound of manganese-55 and oxygen-16. If 63% of the mass of pyrolusite is due to manganese, what is the empirical formula of pyrolusite?


A) MnO
B) Mn2O
C) Mn2O2
D) MnO2
E) none of these

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