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Posted by on Wednesday, June 23, 2010 at 9:04pm.


A student titrates 50mL apple juice and reports the following in the titration to the phenolphthalein end point with .1011M NaOH

final buret reading:17.86mL
initial buret reading:1.47

A)What is the concentration of the total available acid in moles/L of the apple juice?
B)A drop is .05mL, what will be the percent error if the final reading is 2 drops past the actual endpoint?
C)What is the percent error in the result if the volume of the juice titrated was actually 51mL?
D)If the pH of the pure apple juice is 4.0, what is the Ka of the acid?

  • Chemistry - , Wednesday, June 23, 2010 at 11:39pm

    see above.

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