Help please Calculate the limiting reagent in grams of the p

Help please

Calculate the limiting reagent in grams of the product for the following reaction. Show work. Balance the following oxidation-reduction reaction using the half-reaction method. The reaction is carried out in sodium hydroxide.

Solution

phbr is limiting as the mols of phbr are less

Mn6+ +2e-> Mn4+

C-12/14-> C-2/7