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In an experiment, 54.20 grams of phosphorus tribromide (PBr3) was reacted with an excess of 2-methylpropanol (CH₃CH(CH₃)CH₂OH).

In an experiment, 54.20 grams of phosphorus tribromide (PBr3) was reacted
with an excess of 2-methylpropanol (CH₃CH(CH₃)CH₂OH). The reaction yielded 57.96 grams of 1-Bromo-2-methylpropane (CH₃CH(CH₃)CH₂Br) and phosphoric acid (H₃PO₃), Write a blanced equation and calculate the percentage yield for the alkyl bromide. [H = 1, C = 12, P = 31, Br = 80]