Lim En Jie's answer to Sonia's Junior College 1 H2 Maths Singapore question.
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This process is called a back titration. Be careful because you took out 25cm3 from an original 75cm3 solution meaning number mol NaOH reacted with HCl in RXN2 is 1/3 number mol NaOH unreacted in RXN1.
Date Posted:
3 years ago
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