125. Using the data in Table 5, calculate the loss from solubility of the precipitate (in g,%) when washing it with the specified volume of washing liquid.
Table 5
Problem No. Precipitate Washing liquid
Formula Mass, g Pra Formula Volume, cm3 Concentration
1 2 3 4 5 6 7
125 BaCO3 0.40 5.1*10-9 Na2CO3 400 1 dm3 H2O + 5.3g Na2CO3

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