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Final review Ch. 20
Final review Ch. 20
18
Chemistry
11th Grade
05/28/2006

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Cards

Term
When an acid reacts what compounds are formed?
Definition
a salt and water
Term
What is the formula for phosphoric acid?
Definition
H3PO4
Term
What is a property of a base?
Definition
bitter taste
Term
If the hydrogen ion concentration is 10^-10 M, is the solution, acidic, alkaline, or neutral?
Definition
alkaline
Term
If the hydrogen ion concentration is 10^-7 M, what is the pH of the solution?
Definition
7
Term
If the pH is 9, what is the concentration of hydroxide ion?
Definition
10^-7 M
Term
If [OH-]=1x10^-4 M, what is the pH of the solution?
Definition
10.0
Term
How many free hydrogen ions are there in one liter of water?
Definition
none; they are all hydrated
Term
What is the concentration of hydronium ions in a neutral solution?
Definition
10^-7 M
Term
For a solution to be classified as acidic, the ______ concentration must be greater than the ____concentration.
Definition
hydrogen-ion, hydroxide-ion
Term
A solution in which the hydroxide-ion concentration is 1 x 10^-8 m is _____.
Definition
acidic
Term
The products of self_ionization of water are ________ and ________.
Definition
a hydroxide ion and a hydronium ion.
Term
In a neutral solution, the [H+] is ____.
Definition
equal to OH-
Term
A solution with a pH of 8 is _____.
Definition
basic
Term
What is the pH when the hydrogen ion concentration is 7.0 x 10^-3 M?
Definition
2.2
Term
What is the pH of a solution with a [H+}=4.5 x 10^-9?
Definition
8.3
Term
What is an acid according to Arrhenius?
Definition
a substance that ionizes to yield protons in aquesous solution.
Term
Which hydrogens can ionize in a compound?
Definition
those bonded to highly electronegative atoms
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