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12. Solving a chemistry problem
Uploaded:
11.07.2023
Content: 4х.zip 15,66 kB
Content: 4х.zip 15,66 kB
Product description
4. Coulometric titration of Cr3 in a sulfuric acid solution with electrically generated MnO4- ions at a current strength of 20.0 mA was completed in 250 s. Calculate the mass of Cr3 in solution.
1) 0.9 mg 2) 0.18 mg 3) 0.27 mg 4) 0.36 mg
Additional information
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