Answer:
the answer would be Halogens
solid
s
liquid
l
gas
g
aqueous solution
aq
Hope that helps! :D
the reaction is HF + NaOH which leads to NaF
Answer:

Explanation:
From the question we are told that:
pKa for Acetic Acid 
Therefore
For Equal Concentration of acetic acid and acetatic ion

Generally the Henderson's equation for pH value is mathematically given by



