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127. Solving a chemistry problem
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Uploaded: 13.07.2022
Content: 139.rar 22,48 kB
Uploaded: 13.07.2022
Content: 139.rar 22,48 kB
Product description
139. 100 ml of solution contains 200 mg Ba2 ions and 1 mg Pb2 ion. Which substance will precipitate first with the gradual addition of K2CrO4. Can these cations be quantitatively separated in this solution using potassium chromate?
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