A combustion reaction occurs between one molecule of methane (CH4) and two molecules of oxygen (O,)
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Answer : The hydroxide ion concentration of a solution is,
Explanation :
As we know that:
pH : It is defined as the negative logarithm of hydrogen ion concentration.
Mathematically,
Similarly,
pOH : It is defined as the negative logarithm of hydroxide ion concentration.
Mathematically,
Given:
pOH = 6.42
Therefore, the hydroxide ion concentration of a solution is,