Z sorry if it’s wrong good luck
The formula for pH given the pKa and the concentrations
are:
pH = pKa + log [a–]/[ha]
<span>
Therefore calculating:</span>
3.75 = 3.75 + log [a–]/[ha]
log [a–]/[ha] = 0
[a–]/[ha] = 10^0
<span>[a–]/[ha] = 1</span>
I have no idea look it up
Answer:
I think its to indicated a mood change..but i do wanna say to indicate an unstated thought.Hope either one is right