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6. A 1.2048 g sample of impure Na,CO, is dissolved and allowed to react with a solution of CaCl2 . The resulting CaCO3, after
6. A 1.2048 g sample of impure Na,CO, is dissolved and allowed to react with a solution of CaCl2 . The resulting CaCO3, after precipitation, filtration, and drying, was found to weigh 1.0362 g. Assuming that the impurities do not contribute to the weight of the precipitate, write the reaction equation and calculate the percent purity of the Na,CO3 (CaCO3: 100.09 g/mol; Na,CO3: 105.99 g/mol)
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Chemistry The Central Science
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
12th edition
321696727, 978-0132175081, 978-0321696724
