What is the normality of an oxidizing agent of a solution of potassium dichromate (K2Cr2O7) containing 8.906 g per 200 mL in the presence of acid? (Cr2O7-2 + 6Fe+3 + 14H+  → 2Cr3+ + 6Fe3+  + 7H2O)

Principles of Modern Chemistry
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1. What is the normality of an oxidizing agent of a solution of potassium dichromate (K2Cr2O7) containing 8.906 g per 200 mL in the presence of acid? (Cr2O7-2 + 6Fe+3 + 14H+  → 2Cr3+ + 6Fe3+  + 7H2O)

NOTE: Present complete solution and also the corresponding units.

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