1) In titrating, a good rule of thumb is to fill your buret (to the 0.00 mark ) and use from one half to three quarters of a buret-full in the…

1) In titrating, a good rule of thumb is to fill your buret (to the 0.00 mark

) and use from one half to three quarters of a buret-full in the titration. 

What mass of Potassium Hydrogen Phthalate (KHP) will just neutralize 13 mL of 0.20 M NaOH?

(a) Mass of KHP…………………______________________ mg

2) You standardize some sodium hydroxide solution using potassium hydrogen phthalate.

You obtain the following DATA:  MASS of “KHP” weighed out: 0.6758 g

  VOLUME of NaOH to neutralize “KHP” in A): 10.10 mL


(b) The MOLES of “KHP” used……________________

(c) The MOLARITY of the NaOH…..________________

3) You then pipet out a VINEGAR UNKNOWN and titrate it with the standardized sodium hydroxide of 2).

You obtain the following DATA:

  VOLUME of VINEGAR titrated: 8.00 mL

  VOLUME of NaOH needed to neutralize VINEGAR: 18.51 mL


(d) The MOLARITY of the VINEGAR.________________

(e) The WEIGHT/VOLUME % VINEGAR.________________

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