An aqueous solution contains 0.480 M acetic acid. How many mL of
0.327 M potassium hydroxide...
An aqueous solution contains 0.480 M acetic acid. How many mL of
0.327 M potassium hydroxide would have to be added to 250 mL of
this solution in order to prepare a buffer with a pH of 4.680?
An aqueous solution contains 0.459 M hydrocyanic acid. How many
mL of 0.244 M potassium hydroxide would have to be added to 150 mL
of this solution in order to prepare a buffer with a pH of 9.300?
mL note in case u need this
Acid/Base Ionization Constants at 25 oC
Acid
Formula
Ka1
Ka2
Ka3
Acid/Base Ionization Constants at 25 oC
Acid
Formula
Ka1
Ka2
Ka3
Acetic acid
CH3COOH
1.8×10-5
Acetylsalicylic acid (aspirin)
HC9H7O4
3.0×10-4
Aluminum ion
Al(H2O)43+
1.2×10-5...
An aqueous solution contains 0.341 M nitrous acid. How many mL
of 0.393 M potassium hydroxide would have to be added to 150 mL of
this solution in order to prepare a buffer with a pH of 3.140?
An aqueous solution contains 0.419 M
ammonia (NH3).
How many mL of 0.305 M perchloric
acid would have to be added to 150 mL of
this solution in order to prepare a buffer with a pH of
9.380.
mL
An aqueous solution contains 0.352 M
methylamine
(CH3NH2).
How many mL of 0.309 M hydrobromic
acid would have to be added to 150 mL of
this solution in order to prepare a buffer with a pH of
10.600.
An aqueous solution contains 0.392 M
ethylamine
(C2H5NH2).
How many mL of 0.313 M hydrobromic
acid would have to be added to 225 mL of
this solution in order to prepare a buffer with a pH of
10.700?
A 49.2 mL sample of a 0.537 M
aqueous acetic acid solution is titrated with a
0.415 M aqueous solution of sodium
hydroxide. How many milliliters of sodium
hydroxide must be added to reach a pH of
4.502?
?mL
1. An aqueous solution of potassium hydroxide is standardized by
titration with a 0.117 M solution of hydrobromic acid. If 18.7 mL
of base are required to neutralize 15.7 mL of the acid, what is the
molarity of the potassium hydroxide solution?
2. .An aqueous solution of nitric acid is standardized by
titration with a 0.183 M solution of calcium hydroxide. If 28.5 mL
of base are required to neutralize 21.4 mL of the acid, what is the
molarity of...
When a 23.1 mL sample of a
0.427 M aqueous acetic acid
solution is titrated with a 0.415 M aqueous
potassium hydroxide solution,
(1) What is the pH at the midpoint in the titration?
(2) What is the pH at the equivalence point of the titration?
(3) What is the pH after 35.7 mL of
potassium hydroxide have been added?
A) When a 25.1 mL sample of a
0.434 M aqueous acetic acid
solution is titrated with a 0.320 M aqueous
sodium hydroxide solution, what is the pH after
51.1 mL of sodium hydroxide have
been added?
pH =
B) When a 17.5 mL sample of a
0.492 M aqueous nitrous acid
solution is titrated with a 0.451 M aqueous
potassium hydroxide solution, what is the pH at
the midpoint in the titration?
pH =
1. A 33.6 mL sample of a 0.494
M aqueous acetic acid solution is titrated with a
0.379 M aqueous sodium hydroxide
solution. What is the pH after 14.8 mL of base
have been added?
pH =
2.How many grams of solid ammonium
bromide should be added to 0.500
L of a 0.234 M ammonia solution
to prepare a buffer with a pH of 10.120 ?
grams ammonium bromide =
3. How many grams of solid sodium
nitrite should be...