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Calculating pOH and pH.

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Calculate the pOH and pH at 298K of solutions having the following ion concentrations: OH = 1.3 x 10^-2 M.

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The pH of a solution is simply a measure of how much H+ it has and so the pOH is a measure of how much OH- in a ...

Solution Summary

The pH of a solution is simply a measure of how much H+ it has and so the pOH is a measure of how much OH- in a solution there is. As a formula, pH= -log(H+) and pOH=-log(OH-).

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Calculating the pH in a flask at points in the titration.

100.0 ml of 0.100 M acetic acid is placed in a flask and is titrated with 0.100 M sodium hydroxide .

An appropriate indicator is used.

Ka for acetic acid is 1.7 x 10 -5

a. when no NaOH has been added.
b. after 25.0 ml of NaOH is added
c. after 50.0 ml of NaOH is added
d. after 75.0 ml of NaOH is added
e. after 100.0 ml of NaOH is added
f. what would be the appropriate indicator that was used ? consult fig 16.7 in BLB and explain your choice.

g. What would the pH be after 300 ml of 0.100 M NaOH was added.

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