Asked by Katlego

What is the pH of a mixture of 0.042M NaH2PO4 and 0.054M Na2HPO4
Answered by DrBob222
Use the Henderson-Hasselbalch equation.
pH = pKa2 + log (base)/(acid)
base is HPO4^-; acid is H2PO4^-
Answered by Nelson
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