Answer :
Answer:
water(H2O)
Explanation:
2C6H12O6-->C12H22O11+H2O
you can see that the difference between C12H24O12 and C12H22O11 is 2hydrogen atoms and an oxygen atom which are found in the water molecule also through hydrolysis you can bring that molecule of water back and restore two molecules of glucose
C12H22O11+H2O-->2C6H12O6