At the half equivalence point [HA] = [A-] and pH = pKa
<span>if Ka is 5.2e-5 then pKa = pH = 4.28</span>
Evaporation, condensation, precipitation, interception, infiltration, percolation, transpiration, runoff, & storage
Answer:
Na(s) + H₂O (l) → NaOH(aq) + H₂(g).
Explanation:
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