Chemistry, 06.03.2020 22:34 cman8228

Manganese is a key component of extremely hard steel. The element occurs naturally in many oxides. A 542.3-g sample of a manganese oxide has an Mn/O ratio of 1.00/1.42 and consists of braunite (Mn2O3) and manganosite (MnO). (a) How many grams of braunite and of manganosite are in the ore? (b) What is the Mn3+/Mn2+ ratio in the ore?

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