Kon Wen Xuan's answer to Jennifer's Junior College 2 H2 Maths question.

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Kon Wen Xuan
Kon Wen Xuan's answer
6 answers (Tutor Details)
1st
KOH is the catalyst in the reaction. If you draw the full ionic equation, you can see that the concentration of OH- does not change as it cancels out on both sides of the equation.