The specific rоtаtiоn оf pure аdrenаline in water (at 25 oC) is -53. A chemist used a synthetic strategy to synthesize adrenaline in the lab, but it was suspected that the final product was not enantiomerically pure and had the contamination of the other enantiomer. The specific rotation of the mixture was found to be -45. What was the % of the desired adrenaline enantiomer in the mixture?