Answer:
Yes it is hard. For some of us. I already gave up, but now hes coming back. Id say sometimes its useless to get his attention if he never even pays attention to you anyways. It sucks because its so hard to get then to notice you for once.
Explanation:
A Chemical Symbol
need 20 characters
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>
Answer: 0.25m
Im not sure but i think
Explanation:0.25/0.25
