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MnO(2) on ignition converts into Mn(3)O(...

`MnO_(2)` on ignition converts into `Mn_(3)O_(4)`. A sample of pyrolusite having 75% `MnO_(2)`, 20% inert impurities and rest water is ignited in air to constant mass. What is the percentage of Mn in the ignited sample ?

A

0.246

B

0.37

C

0.5524

D

0.7405

Text Solution

Verified by Experts

The correct Answer is:
C
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