Chemistry, 18.10.2019 18:00 triston12192000
You are asked to prepare a ph = 4.00 buffer starting from 1.50 l of 0.0200 m solution of benzoic acid (c6h5cooh and some added sodium benzoate salt (c6h5coona. a find the ph of the benzoic acid solution before adding the salt. b use the henderson-hasselbalck equation to derive how many moles of the salt you should add. c how many grams of the salt should you add?
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You are asked to prepare a ph = 4.00 buffer starting from 1.50 l of 0.0200 m solution of benzoic aci...
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