Question

Consider again the reaction for photosynthesis:

6CO2 + 6H2O → C6H12O6 + 6O2

What mass of water is required to react completely with 157.35 g CO2? (Molar mass of H2O = 18.02 g/mol; molar mass of CO2 = 44.01 g/mol)

157.35 g CO2 = g H2O

Answer 1

Assuming that the question is about making glucose, then you need to know the equation for the reaction. The equation should be: 

 

C6H12O6(s) + 6O2(g) -->6CO2(g) + 6H2O(g)

In this equation, 6 molecules of CO2 would react with 6 molecules of H2O which mean it has 1:1 ratio. The molecular weight for CO2 should be 44g/mole and H2O is 18g/mole. Then the calculation would be: 6/6 * (157.35g/44g) * 18g= 64.37g

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Answer 2

6CO2+12H2O—C6H12O6+6O2+6CO2 I guess...