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




Mass is a coherent, typical large body of matter with no definite shape. Another way to describe matter is a very heavy or large object.Matter can also be described with length. This is how i know matter is a very large length or weight. (Hope this helped) :)
Answer:
The resonance forms of O3 are attached as an image.
Explanation:
A compound with different contributing structures comes together and forms a resonating or intermediate structure that best describes the properties of that compound.
The given compound is ozone, having the chemical formula
O3 = 6 electrons * 3 = 18 electrons
O → prefers to have a complete their octet
The bonding electrons and lone pair electrons are radical electrons that are present on the oxygen atoms tend to delocalize and results in various resonating forms of O3.
Explanation:
I think it is a true statement .