14. Solving a chemistry problem
7. From a sample of 0.5502 g of dolomite, precipitates of 0.0552 g of Al (C9H6NO) 3, 0.1650 g of CaO and 0.2465 g of Mg2P2O7 were obtained. Calculate the % content of Al2O3, CaCO3 and MgCO3 in the dolomite sample.
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