Calculate the percentage of MnO2 (MW 86.937 g/mol) in a mineral specimen if the 12 liberated by a 0.7251 - g sample in the net reaction MnO2 (s) + 4H+ + 21¯ → Mn²+ + 12 + 2H₂O Required 34.50 mL of 0.0807 M Na2S2O3. The reaction is 12(aq) + 2 S203² (aq) → 21¯ (aq) + S406²-(aq)

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Q: Question 5 Calculate the percentage of MnO2 (MW 86.937 g/mol) in a mineral specimen if the 12…

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