23. Solving a chemistry problem
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- 396.docx (16.03 KB)
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23. Solving a chemistry problem
396. From a sample of 0.4925 g of a mixture of ZnS and CdS, a precipitate of Zn2P2O7 and Cd2P2O7 with a total mass of 0.6895 g was obtained. Calculate the percentage of ZnS and CdS in the sample.
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