Edexcel CH04 June 2010: Question 20 (a)(v). Help??

[Brr Master]

in the graph questions, why should we draw the vertical straight line at 12.5 cm3? this leads to the question that how do we find which volume is the neutralization volume for strong base and weak acid titration?

please respond

 

[sweetiepie]

https://www.xtremepapers.com/community/threads/useful-compiled-stuff.13393/

 

[Brr Master]

seriously... ? i need someone to answer my question..