Answer:
Step-by-step explanation:
nH2O = mass/m.wt
= 18.08/18.08= 1 mole
1 mole contains 6.02x10 23 Avogadro's num of H2O molecules
each molecule has
2mol of hydrogen atom =2 x 6.03x10 23 atoms
1 mole of oxygen has = 1x 6.02x10 23 atoms
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