The H3O+ ion concentration in water is 1/10000000 molar.The degree of ionisation of H2O is? If given molarity of pure water is 55.5Molar.

1 answer

If you mean by degree of ionization the proportion of molecues ionized, then if
H3O+= 1E-7 ions/liter, that implies the OH- is the same, so you have 2E-7 ions/liter.

In a liter, you have 55.5 moles of water, so you have
molecules=avagradro'sNumber*55.5

degree of ionization then is

numberions/numbertotalmolecues
go figure. It is not much, and doesn't carry electricity like a copper wire.
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