What Mass of Manganese Dioxide,from Pyrolusite Ore,is Required for Production

question 31

Multiple Choice

What mass of manganese dioxide,from pyrolusite ore,is required for production of 25 kg of potassium permanganate by a process which is 78% efficient?

• A)18 kg
• B)14 kg
• C)25 kg
• D)29 kg
• E)32 kg

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