Hey can anyone help me solve these questions

1. Balance K2Cr2O7 +H2C2O42H2O --> K[Cr(CrC2O4)2(H2O)2]2H2O +CO2+ H2O

2. Calculate the theoretical yield of the reaction mentioned above

3.What is the theoretical percentage by weight of Cr in the reaction mentioned above

4. Why is quantitative transfer critical in Step 3 of the Procedure

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