Question
In: Chemistry
ssume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to...
ssume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 4.00 ✕ 102 mL of solution and then titrate the solution with 0.163 M NaOH. C6H5CO2H(aq) + OH-(aq) C6H5CO2-(aq) + H2O(ℓ) What are the concentrations of the following ions at the equivalence point? Na+, H3O+, OH- C6H5CO2- M Na+ M H3O+ M OH- M C6H5CO2- What is the pH of the solution?
Solutions
queen_honey_blossom answered 1 year agoRelated Solutions
Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to...
Assume you dissolve 0.235 g of the weak acid benzoic acid,
C6H5CO2H, in enough water to make 8.00 ✕ 102 mL of solution and
then titrate the solution with 0.158 M
NaOH. C6H5CO2H(aq) + OH-(aq)-->
C6H5CO2-(aq) + H2O(ℓ)
What are the concentrations of the following ions at the
equivalence point? M-Na+=___
M-H3O+=____
M-OH-=____
M-C6H5CO2-=_____
What is the pH of the solution? _____
Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to...
Assume you dissolve 0.235 g of the weak acid benzoic acid,
C6H5CO2H, in enough water to make 1.00 ✕ 102 mL of solution and
then titrate the solution with 0.168 M NaOH. C6H5CO2H(aq) + OH-(aq)
C6H5CO2-(aq) + H2O(ℓ) What are the concentrations of the following
ions at the equivalence point?
Na+, H3O+, OH- C6H5CO2-
M Na+ ?
M H3O+ ?
M OH- ?
M C6H5CO2- ?
What is the pH of the solution?
Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to...
Assume you dissolve 0.235 g of the weak acid benzoic acid,
C6H5CO2H, in enough water to make 3.00 ✕ 102 mL of solution and
then titrate the solution with 0.133 M NaOH. C6H5CO2H(aq) + OH-(aq)
C6H5CO2-(aq) + H2O(ℓ) What are the concentrations of the following
ions at the equivalence point? Na+, H3O+, OH- C6H5CO2- Incorrect:
Your answer is incorrect. M Na+ Incorrect: Your answer is
incorrect. M H3O+ Incorrect: Your answer is incorrect. M OH-
Incorrect: Your answer is incorrect....
Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to...
Assume you dissolve 0.235 g of the weak acid benzoic acid,
C6H5CO2H, in enough water to make 3.00 ✕ 102 mL of solution and
then titrate the solution with 0.138 M NaOH.
C6H5CO2H(aq) + OH-(aq) C6H5CO2-(aq) + H2O(ℓ)
What are the concentrations of the following ions at the
equivalence point?
Na+, H3O+ ,OH-
C6H5CO2-
M Na+
M H3O+
M OH-
M C6H5CO2-
What is the pH of the solution?
Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to...
Assume you dissolve 0.235 g of the weak acid benzoic acid,
C6H5CO2H, in enough water to make 3.00 ✕ 102 mL of solution and
then titrate the solution with 0.128 M NaOH.
C6H5CO2H(aq) + OH-(aq) C6H5CO2-(aq) + H2O(ℓ)
What are the concentrations of the following ions at the
equivalence point?
Na+, H3O+, OH-
C6H5CO2-
___M Na+
___M H3O+
___M OH-
___M C6H5CO2-
What is the pH of the solution?
Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to...
Assume you dissolve 0.235 g of the weak acid benzoic acid,
C6H5CO2H, in enough water to make
9.00 ✕ 102 mL of solution and then
titrate the solution with 0.153 M NaOH.
C6H5CO2H(aq) +
OH-(aq)
C6H5CO2-(aq) +
H2O(ℓ)
What are the concentrations of the following ions at the
equivalence point?
Na+, H3O+, OH-
C6H5CO2-
M Na+
M H3O+
M OH-
M
C6H5CO2-
What is the pH of the solution?
Assume you dissolve 0.281 g of the weak acid benzoic acid in enough water to make...
Assume you dissolve 0.281 g of the weak acid benzoic
acid in enough water to make 1.00x10^2 mL of solution and then
titrate the solution with 0.171 M NaOH. Ka=6.3x10^-5.
what are the concentrations of Na+ H3O+ OH- and
C6H5CO2-
Assume you dissolve 0.216 g of the weak acid benzoic acid in enough water to make...
Assume you dissolve 0.216 g of the weak acid benzoic acid in
enough water to make 100 mL of solution and then titrate the
solution with 0.144 M . ( Ka for benzoic acid = 6.3 times 10^-5.)
a) What was the pH of the original benzoic acid solution? b) What
are the concentrations of all of the following ions at the
equivalence point: Na, H3O, OH, and C6H5CO2? c) What is the pH of
the solution at the equivalence...
A. When a 0.235-g sample of benzoic acid is combusted in a bomb calorimeter, the temperature...
A. When a 0.235-g sample of benzoic acid is combusted in a bomb
calorimeter, the temperature rises 1.644 ∘C . When a 0.275-g sample
of caffeine, C8H10O2N4, is burned, the temperature rises 1.585 ∘C .
Using the value 26.38 kJ/g for the heat of combustion of benzoic
acid, calculate the heat of combustion per mole of caffeine at
constant volume.
B. Assuming that there is an uncertainty of 0.002 ∘C in each
temperature reading and that the masses of samples...
We dissolve 4.44 g of an unknown acid, HA, in enough water to produce 25.0 mL...
We dissolve 4.44 g of an unknown acid, HA, in enough water to
produce 25.0 mL of solution. The pH of this solution of HA(aq) is
1.44. We titrate this solution with a 0.250 M solution of NaOH. It
takes 38.8 mL of the NaOH solution to reach the equivalence point.
The temperature is 25oC.
(a) What is the molar mass of HA?
(b) What is the pKa value of HA(aq)?
(c) What is the pH at the equivalence point?...
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