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15 questions
A substance is found to have the following characteristics:
Very bitter taste
Feels slippery to the touch
Produces OH- ions when dissolved in water
In what category would the substance be classified?
acid
base
enzyme
fatty acid
HF is...
an acid
a base
a salt
an ionic compound
HNO2
a base
a salt
an acid
an ionic compound
KOH is ...
an acid
a base
a salt
an ionic compound
The pH of a solution is 2.0. What is the [OH-] concentration?
1x10-12M
12 M
1x10-2M
2 M
What is the pH of a solution where the [H+] is 1.0 x 10-11?
11
13
14
1
What is the pOH of a 1 x 10-8 M solution of HNO3?
8
6
7
9
What is the [H+] if the pH is 4.0?
1.0 x 10-10 M
1.0 x 10-4 M
1.0 x 10-14 M
1.0 x 10-7 M
What is a titration?
when the moles of hydrogen ions is equal to the moles of hydroxide ions
adding a known amount of solution of known concentration to determine the concentration of an unknown
reaction in which an acid and a base react in an aqueous solution to produce a salt and water
the extent of ionization of an acid or base
Phenolophalein turns from clear to pink when the pH turns
acidic
basic
saline
ionic
What completely ionizes in solution?
Weak acids
Strong acids
Strong Salts
Neutral salts
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