Answer:
Step-by-step explanation:
1 molecule has 2 hydrogens and 1 oxygen. That's 3 atoms.
1 mol of anything is 6.02 * 10^23 items. There are 3 atoms in 1 molecule
There are 6.02*10^23 * 3 atoms in a mol of water
Answer: 1.804 * 10^24 atoms in a mol of water.