Be sure to answer all parts.   Given the thermochemical equation for photosynthesis,   6CO2(g) + 6H2O(l)  →  C6H12O6(s) + 6O2(g)     ΔH = +2803 kJ/mol   Calculate the mass (in grams) of O2 that is produced by photosynthesis when  31100 kJ of solar energy is consumed.   Enter your answer in scientific notation and in grams

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