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13 Dec 2019

Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 5.00 102 mL of solution and then titrate the solution with 0.163 M NaOH.

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Reid WolffLv2

17 Dec 2019

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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 thentitrate the solution with 0.128 M NaOH.

C6H5CO2H(aq) + OH-(aq) -> C6H5CO2-(aq) + H2O(l lookingthink)

What are the concentrations of the following ions at theequivalence point?
Na+, H3O+, OH-
C6H5CO2-

___ M Na+
___ M H3O+
___ M OH-
___ M C6H5CO2-

What is the pH of the solution? ___

greyant721

Assume you dissolve 0.103 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 1.0x10^2 mL of solution and then titrate the solution with 0.113 M NaOH. (Ka for benzoic acid = 6.3x10^-5)

C6H5CO2H(aq) + OH^- (aq) = C6H5CO2 ^ - (aq) + H2O (l) * = means arrows both ways

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 points :

Na+ _____ M

H3O+ ______ M

OH- _______ M

C6H5CO2- _____ M

c) What is the pH of the solution at the equivalence points?

Please answer!!

Assume you dissolve 0.303 g of the weak acid benzoic acid C6H5CO2H, , in enough water to make 1.00 x10^2 mL of solution and then titrate the solution with 0.178 M NaOH. ( Ka for benzoic acid = 6.3x 10^-5 .)

C6H5CO2H + OH- < ------> C6H5CO2- + H2O

A. What was the ph of the original benzoic acid solution?

pH = _____

B. What are the concentrations of all of the following ions at the equivalence point Na+, H3O+, OH-, and C6H5CO2-

[Na+] = _______M

[H3O+] = _____M

[OH-] = _______M

[C6H5CO2-] = ________ M

What is the pH of the solution at the equivalence point?

Ph= ______

****PLEASE ONLY ATTEMPT IF YOU KNOW THE ANSWER AS I'M DOWN TO MY LAST ATTEMPT*** THANKS!

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Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 5.00 102 mL of solution and then titrate the solution with 0.163 M NaOH.

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