1. The problem statement, all variables and given/known data During photosynthesis found that a plant is necessary to absorb 8 photons of red light with wavelength 6850 Å to produce an O2 molecule. The average energy storage during photosynthesis is 112 kcal per mole O2. Calculate the energy efficiency of the process of photosynthesis. 2. Relevant equations 3. The attempt at a solution Help me pleasee to understand this problem and his solution and if you can please be analytic in your answer. Thanks to all will help me im waiting all to hear you.