Asked by Seetha
Calculate the relative concentrations of NaH2PO4 and H3PO4 required, giving a solution, which buffers at pH 2.6. (The pKa1 for H3PO4 is 2.1).
Answers
Answered by
DrBob222
The Henderson-Hasselbalch equation is
pH = pKa + log [(base)/(acid)]
You have pH, you can calculate pKa, substitute and solve for (base)/(acid)
Post your work if you get stuck.
pH = pKa + log [(base)/(acid)]
You have pH, you can calculate pKa, substitute and solve for (base)/(acid)
Post your work if you get stuck.
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