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Manganese commonly occurs in nature as a mineral. The extraction of manganese from the carbonite mineral rhodochrosite, involves a two-step process. In the first step, manganese (II) carbonate and oxygen react to form manganese (IV) oxide and carbon dioxide tha (in carbonate and sygen rec to 2 MnCO3(s)+02(9)-2 Mno2(s)+2CO2(9) In the second step, manganese (IV) oxide and aluminum react to form manganese and aluminum oxide: Mno2(s)+4 Al(s)-3 Mn(s)+2 Al20j(s) Write the net chemical equation for the production of manganese from manganese (II) carbonate, oxygen and aluminum. Be sure your equation is balanced 0

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equation(1) Multiply coefficient of equation(1) by 3 . 6MnCO, (s)+302 (g)-6MnO. (s)+6CO. (g) Similarly, 3MnO. (s)+4Al (s)->3Mn (s)+2Al,O, (s) Multiply coefficient of equation(1) by 2 6MnO, (s)+8A(s)-6Mn (s)+4A1,o, (s) Add eq (2)and eq (4)as follows equation(2 equation(3) equation(4) 6MnCO, (s)+30, (g)-6MnO, (s)+6CO, (g) 6Mno, (s) +8A1(s) → 6Mn (s) +4A1203 (s) 6MnCO, G+8AIO306M(4AL0+6Co Hence the balanced net chemical equation is,

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