What is the fraction of the mass of water due to neutrons?

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sforrest072 · Answer 1 · 2017-11-06T01:37:34+0000

- 8/18

Mass of one mole (Avogadro Number) of neutrons - 1 g

Mass of one neutron = 1 / Avogadro Number (N_A)g

Mass of one molecule of water = Molar mass / N_A = 18 /N_A g

There are 8 neutrons in one atom of oxygen

Mass of 8 neutrons = 8/ N_A

Fraction of mass of water due to neutrons - 8 /18