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The product of hydronium ion concentration and hydroxide ion concentration in any solution always equals?
The product of hydronium ion concentration and hydroxide ion concentration in any solution always equals?
A. 1.0 x 10 ^-14
B. 6.02 x 10^-23
C. 9.1 x 10^-31 kg
D. 7
4 Answers
- 1 decade agoFavorite Answer
A. 1.0x10^-14 is the equilibrium constant for water, Kw. B is avagadros number, C is the mass of an electron, and D is most likely referring to neutral pH.
In the equation H2O --> [H]+ + [OH]-, Kw= [H+][OH-]/[H2O] = 1x10^-14
[H2O] is just set at 1 so the answer is A.
- Anonymous1 decade ago
Kw = [H+][OH-] 1×10^-14
Always and always
