An extremely hard steel is used in safes, bulletproof equipment, and anti-drill covers. One of the
key components in making this hard steel is manganese. An X grams sample of a manganese ore, composed of
braunite (Mn2O3) and manganosite (MnO), has Mn/O ratio of 1.0/Y.
a. Determine the mass percent of braunite in the ore.
b. What is the ratio Mn2+/Mn3+ in the ore?
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sorry but i dont know the answer
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