At a concentration of 2.8*10^-6M??
Can anyone help me with this Chem!!! Thanks in advance to any help!!|||The relationship between the Hydrogen ion (which can be interchangeably be used with the hydronium ion) and the hydroxide ion in a solution is [OH-] x [H3O+] = 1.0 x 10^-14. This value is known as the ionization constant of water.
Hence, you know that the concentration of the hydronium ion is 2.8 x 10^-6 M. We can use that to find the concentration of hydroxide ions present in the solution.
[OH-] x (2.8^ 10^-6 M) = 1.0 x 10^-14
Thus, [OH-] = 3.6 x 10-9 M. (To three significant figures.)
I think that's right...
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