71. Solving a chemistry problem
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71. Solving a chemistry problem
2. A. How is the sediment washed during gravimetric analysis? How to choose a washing liquid? What is decantation?
B. Describe the sequence of gravimetric analysis of strontium in strontium nitrate. Calculate the optimal weight of this salt sample and the volume of a 2 N sulfuric acid solution required for analysis. Under what conditions and why should precipitation be carried out?
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