Silver carbonate will decompose when heated as shown in the, Ask an Expert

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Silver carbonate will decompose when heated as shown in the unbalanced chemical equation below. An impure sample containing 84.1 % Ag2CO3 by mass is heated to produce 9.02 g of oxygen (O2). Calculate the mass of the impure sample used in the reaction. Ag2CO3(s) ? Ag(s) + CO2(g) + O2(g)

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