The following unbalanced reaction takes place in acidic solution:
Cr2O72−(aq) + Fe2+ (aq) → Cr3+ (aq) + Fe3+ (aq)
a. Write the balanced equation.
b. How many milliliters of a 0.211 M K2Cr2O7 solution are needed to react with 5.00 g of FeSO4?
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