At the end of 2012, global population was about 7.0 billion people. What mass of glucose in kg would be needed to provide 1600 cal/person/day of nourishment to the global population for one year? Assume that glucose is metabolized entirely to CO2 (g) and H2O(l) according to the following thermochemical equation:
C6H12O6(s)+ 6O2(g) → 6CO2(g) + 6H2O(l) ΔH° = 2803 kJ
Express your answer to two significant figures and include the appropriate units.
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