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Lesson: Titrations

Worksheet • 7 Questions

Q1:

During a titration, it is not necessary to accurately measure which of the following quantities?

  • ADensity of the titrant
  • BTitrant concentration
  • CFinal buret reading
  • DInitial buret reading

Q2:

When performing a titration, in which item of glassware is the analyte usually placed?

  • AErlenmeyer flask
  • BRound-bottom flask
  • CVolumetric pipet
  • DBuret
  • EVolumetric flask

Q3:

During a titration, which of the following actions would improve the accuracy of the measurement?

  • ARinsing the inside of the analyte flask with additional solvent before each addition of titrant.
  • BMixing the solution with a glass rod after each addition of titrant.
  • CFilling the buret to the highest graduation mark.
  • DAdding five more drops of indicator to the analyte.
  • ESwirling a basic analyte solution for longer after each addition of acid titrant.

Q4:

When performing a titration, in which item of glassware are stock solutions prepared?

  • AVolumetric flask
  • BVolumetric pipette
  • CErlenmeyer flask
  • DRound-bottom flask
  • EBurette

Q5:

When performing a titration, in which item of glassware is the titrant placed?

  • ABuret
  • BRound-bottom flask
  • CVolumetric pipette
  • DErlenmeyer flask
  • EVolumetric flask

Q6:

For a titration to be effective, the reaction must be rapid, and the yield of the reaction must essentially be 1 0 0 % . For a good titration reaction, what is the value of 𝐾 c ?

  • A 𝐾 1 c
  • B 𝐾 = 0 c
  • C 𝐾 1 c
  • D 𝐾 0 c
  • E 0 < 𝐾 1 c

Q7:

A student performs a titration, pouring one liquid into the buret from a beaker and pipetting a second liquid into the Erlenmeyer flask, as shown.

What name is given to the liquid poured into the buret?

  • A Titrant
  • BIndicator
  • C Titrand
  • D Filtrate
  • E Titer

What name is given to the liquid pipetted into the Erlenmeyer flask?

  • A Indicator
  • B Titer
  • C Analyte
  • D Filtrate
  • E Titrant

What name is given to the liquid already present in the Erlenmeyer flask?

  • A Titrand
  • BTitrant
  • C Titer
  • DFiltrate
  • E Indicator

In what way has the apparatus been incorrectly assembled?

  • A The buret tap is open.
  • B The funnel in the buret is too long, preventing the buret from being completely filled.
  • C The Erlenmeyer flask has not been clamped.
  • D The liquid in the Erlenmeyer flask should be stirred using a stir bar.
  • E Liquid should be added to the Erlenmeyer flask using a volumetric pipet.
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