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A limestone is found to contain 93.05% CaCO , and 5.16 % MgCO . Calculate the weight of CaO obtainable from 3 tons of the limestone, assuming complete conversion to oxide. What weight of Mg P O could be obtained from a 3-gram sample of the limestone? !Answers!: 1.565 tons; 0.2044 gram. A sample of dolomite is analyzed for calcium by precipitating as the oxalate and igniting the precipitate.
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