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114. Solving a chemistry problem
Uploaded:
13.08.2022
Content: 5.rar 27,7 kB
Content: 5.rar 27,7 kB
Product description
A 0.2500 g sample of steel containing 0.09% manganese was dissolved in a mixture of acids (H3PO4 and H2SO4). Added a solution of ammonium persulfate and silver nitrate, boiled until the evolution of gases ceased. Then, 25.00 ml of a 0.100 N solution of iron (II) sulfate was added to this solution, the excess of which was titrated with a 0.08331 N solution of KMnO4 (feq = 1/5). Calculate how many ml of KMnO4 solution will be consumed in this case?
Additional information
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