A manganese-containing ore is digested and chemically treated to isolate manganese as MnO2(s). Heating the MnO2 at 1000 °C in air converts it entirely to Mn3O4(s).
Suppose a 2.44-g ore sample yields 0.229 g of Mn3O4(s) by this process.
Calculate the percent Mn2O3 in the ore sample.
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A manganese-containing ore is digested and chemically treated to isolate manganese as MnO2(s). Heating the MnO2 at 1000 °C in air converts it entirely to Mn3O4(s). Suppose a 2.44-g ore sample yields 0.229 g of Mn3O4(s) by this process.
A manganese-containing ore is digested and chemically treated to isolate manganese as MnO2(s). Heating the MnO2 at 1000 °C in air converts it entirely to Mn3O4(s). Suppose a 2.70-g ore sample yields 0.235 g of Mn3O4(s) by this process. Calculate the percent Mn in the ore sample. Calculate the percent MnO2 in the ore sample.