18g of water has 6.023x10^23 molecules (that's 1 followed by 23 zeroes). Since each water molecule has 3 atoms, the number of atoms in 18g of water is 3X that number. A cup of water has 236g, so each cup of water has 7.9x10^24 molecules.
The volume of the world's oceans is 1.3x10^9 cu km or 1.3x10^24 cu cm. So, there are more molecules in a cup of water than there are cc of water in the world's oceans.
Cool stat, brah!
The volume of the world's oceans is 1.3x10^9 cu km or 1.3x10^24 cu cm. So, there are more molecules in a cup of water than there are cc of water in the world's oceans.
Cool stat, brah!

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