What causes water to freeze solid when placed in the freezer
1 answer:
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Answer:
<h3>The answer is 7.42 </h3>Explanation:
The pH of a solution can be found by using the formula
From the question we have
We have the final answer as
<h3>7.42 </h3>Hope this helps you
<u>Answer:</u> The formula of chromic acid is
<u>Explanation:</u>
We are given an ionic compound named as chromic acid. This acid is formed by the combination of hydrogen ion and chromate ion.
An acid is defined as the substance which releases hydrogen ion when dissolved in water.
Hydrogen is the 1st element of periodic table having electronic configuration of .
This element will loose 1 electron to form ion.
Chromate 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.
So, the chemical formula for the given compound is
Thus, the formula of chromic acid is