What is the correct formula for potassium sulfite? khso khso4 k2so4 k2so3
2 answers:
<u>Answer:</u> The chemical formula for potassium sulfite is
<u>Explanation:</u>
We are given a chemical compound having name potassium sulfite. This compound is formed by the combination of potassium ions and sulfite ions.
Potassium is the 19th element of periodic table having electronic configuration of .
This element will loose 1 electron to form ion
Sulfite ion is a polyatomic ion having chemical formula of
By criss-cross method, the oxidation state of the ions gets exchanged and they form the subscripts of the other ions. This results in the formation of a neutral compound.
Hence, the chemical formula for potassium sulfite is
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Answer:
- <u>Alkaline or basic solution </u>(alkaline and basic means the same)
Explanation:
According to the <em>pH</em>, solutions may be classified as neutral, acidic, or alkaline (basic).
This table shows such classification:
pH classification
7 neutral
> 7 alkaline or basic
< 7 acidic
Thus, since the pH of the solution is 8.3, which is greater than 7, the solution is classified as basic (alkaline).
Additionally, you must learn that pH is a logarithmic scale for the concentration of hydronium ions in the solution.
- pH = - log [H₃O⁺]
You can calculate the concentration of hydronium ions using antilogarithm properties:
NaOH solutions are alkaline solutions, bases, according to Arrhenius model, because they contain OH⁻ ions and release them when ionize in water.