How many atoms in 4H20?

Answer 1

One molecule of H2O has 3 atoms (two hydrogens and one oxygen). So there will be 12 atoms in 4H2O.

Answer 2

There are a total of 108 atoms in 4H2O molecules. Each water molecule (H2O) contains 3 atoms (2 hydrogen atoms and 1 oxygen atom). Multiplied by 4 molecules, you get 12 hydrogen atoms and 4 oxygen atoms, totaling 108 atoms.

Answer 3

4H2O simply means 4 moles of H2O.