tpenubothu24
13.07.2021 •
Chemistry
You wish to prepare an HC 2H 3O 2 buffer with a pH of 4.14. If the pK an of is 4.74, what ratio of C 2H 3O 2 -/HC 2H 3O 2 must you use?
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Ответ:
340/ 713 = p2/ 273
p2 = 340 x 273/ 713 = 130 kPa