C12H22O11 + H2O → 2C6H12O6
3.42 gm 18gm
0.1mole 1mole
0.1 mole of sucrose contain = 0.1 x 6.023 x 10^23sucrose molecules = 11 x 0.6023 x 10^23 oxygen atoms
1 mole of water contain = 6.023 x 10^23 water molecules = 1 x 6.023 x 10^23 oxygen atoms
Total number of oxygen atoms = 11 x 0.6023 x 10^23 + 1 x 6.023 x 10^23 = 12.6483 x 10^23 atoms.