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April 19, 2014

Homework Help: Chemistry

Posted by Amanda on Tuesday, October 16, 2012 at 5:31am.

We had a lab where the standard solution was potassium hdrogenphthalate. In this we added 3 drops of phenolphtalein indicator and then we ran sodium hydroxide into the solution. We did four different flasks and the final readings for these then were 26.00 cm3, 32.00 cm3, 26.10 cm3 and 29.90 cm3. So, my question is how do I calculate the concentration of the hydrogenphthalate solution and the concentration of the sodium solution.
Thanks on beforehand

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