Titration from basic end point to acid endpoint

[madgab89]

Homework Statement

If you started at the basic end-point and titrated acetate solution to the acid end point, how much acid would be required?

Our acetate solution was:
1 mL of 0.1 M acetic acid
1 mL of 0.1 M acetate
8 mL of water
total volume: 10 mL

Titration with 0.1 M HCl
0.90 mL added at color change

Titration with 0.1 M NaOH
1.1 mL added at color change

I have no idea even where to start.. ?

 

[Borek]

You can't start titration at the end point. End point is where you END titration.

What reaction takes place during titration? Can you write balanced reaction equation?

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