When limestone is decomposed at high temperature and the residue is treated with water, the compound that is formed is
1 answer:
The compound that is formed is calcium hydroxide.
<h3>Preparation of calcium hydroxide</h3>When limestone is decomposed at a high temperature, calcium oxide is formed as the residue.
When the calcium oxide residue is treated with water, a calcium hydroxide solution is formed.
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Answer:
0.007 M
Explanation:
pH is defined as the negative logarithm of the concentration of hydrogen ions.
Thus,
pH = - log [H⁺]
The expression of the pH of the calculation of weak acid is:-
Where, C is the concentration = ?
Given, pH = 3.45
So, for ,
C = 0.007 M