How many oxygen hydrogen bonds does it take to make a twenty fluid ounce bottle of water?

Answer 1

I'm assuming you're talking about the bonds in 20 ounces (volume) of water and not the bottle. We need to find out how many molecules are in this amount of water, then water (H2O) has 2 bonds, so multiply the number of molecules by 2.

H2O has an Atomic Mass of 18 (Oxygen is 16, & each Hydrogen is 1), so 1 mole of water has a mass of 18 grams.

Water's density is fairly constant (1 g/mL)throughout the range of temperatures that it is a liquid. 20 ounces is 591.471 mL {I used the converter on my calculator}, so 591.471 mL has a mass of 591.471 grams. (591.471 g)/(18 g/mole) = 32.8595 moles.

Using 6.022 x 1023 molecules per mole: (32.8595 mole)*(6.022 x 1023 molecule/mole) = 1.978798 x 1025 molecules, then multiply by 2 for number of bonds: 2 * 1.978798 x 1025 = 3.957595 x 1025 bonds.

Note: I rounded the numbers for typing, but I kept the unrounded numbers in my calculator at each intermediate step. If you round at each step, you may come up with slightly different numbers.