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Question- When coal is burned, the sulfer it contains is converted into sulfur dioxide. The SO2 is a serious pollutant, so it needs to be removed before it escapes from the stack of a coal fired plant. One way to remove the SO2 is to add limestone, which contains calcium carbonate, CaCO3, to the coal before it is burned. The heat of the burning coal converts the CaCO3 to calcium oxide, CaO. The calcium oxide reacts with the sulfur dioxide in the following reaction: 2CaO+2SO2+O2 > 2CaSO4

The solid calcium sulfate does not escape from the stack as the gaseous sulfur dioxide would. What mass of calcium sulfate forms for each 1.00 Mg of SO2 removed by this technique?

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Category:- Chemistry
Reference No.:- M91248041

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