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OpenStudy (anonymous):
Calculate the pH if 0.100 M NaOH is added to 1.00 L of a buffer solution that is 0.400 M HCOOH and 0.100 M HCOONa. (Ka for HCOOH = 1.77 x 10-4)
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OpenStudy (vincent-lyon.fr):
First, you must write the equation of the reaction taking place when adding NaOH to your solution.
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