Final review Ch. 20

When an acid reacts what compounds are formed?
a salt and water
What is the formula for phosphoric acid?
What is a property of a base?
bitter taste
If the hydrogen ion concentration is 10^-10 M, is the solution, acidic, alkaline, or neutral?
If the hydrogen ion concentration is 10^-7 M, what is the pH of the solution?
If the pH is 9, what is the concentration of hydroxide ion?
10^-7 M
If [OH-]=1×10^-4 M, what is the pH of the solution?
How many free hydrogen ions are there in one liter of water?
none; they are all hydrated
What is the concentration of hydronium ions in a neutral solution?
10^-7 M
For a solution to be classified as acidic, the ______ concentration must be greater than the ____concentration.
hydrogen-ion, hydroxide-ion
A solution in which the hydroxide-ion concentration is 1 x 10^-8 m is _____.
The products of self_ionization of water are ________ and ________.
a hydroxide ion and a hydronium ion.
In a neutral solution, the [H+] is ____.
equal to OH-
A solution with a pH of 8 is _____.
What is the pH when the hydrogen ion concentration is 7.0 x 10^-3 M?
What is the pH of a solution with a [H+}=4.5 x 10^-9?
What is an acid according to Arrhenius?
a substance that ionizes to yield protons in aquesous solution.
Which hydrogens can ionize in a compound?
those bonded to highly electronegative atoms

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