Is this the answer you are looking for CuCO3=> CuO + CO2.
The chemical formula of chromium (II) nitrate is as shown below.
Cr₂NO₃
The number in the subscript of the chemical formula of the given element signifies the number of atom or ions of the given element. In this regard, based on the chemical formula written for chromium (II) nitrate, the number of chromium ions would have to be 2.
<em>Answer: 2</em>
Answer:
4.77 is the pH of the given buffer .
Explanation:
To calculate the pH of acidic buffer, we use the equation given by Henderson Hasselbalch:
We are given:
= Dissociation constant of propanoic acid =
pH = ?
Putting values in above equation, we get:
pH = 4.77
4.77 is the pH of the given buffer .
I would say a strong base. NaOH is like chlorox