At the half equivalence point [HA] = [A-] and pH = pKa
<span>if Ka is 5.2e-5 then pKa = pH = 4.28</span>
An electron has a negative charge of one
An neutron has no charge (hence, neutral)
An proton has a positive charge of one
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Answer:
it is the app for homework not for nonsense things.
do good be good and see good and think good
Q1. Chemical, Physical, Physical, Physical
(l am not 100% sure about the 4th answer)
Q2. All of the above
They are eaten by Tertiary consumers
