Question 6 of 7 Map Sapling Learning this question has been customized by Richar

Question

Question 6 of 7 Map Sapling Learning this question has been customized by Richard Hartung at University of Nebraska, Lincoln macmillan learning When cleaning a buret, why would it be important to rinse the inside of the buret with a small amount of titrant after washing with water and before filling the buret with titrant? O The rinse water is used to determine the most appropriate indicator for the titration. O The rinse water is used to calculate the amount of titrant to place in the buret. O To dilute any remaining acid or base from a previous titration. To be sure the titrant is at the zero point in the buret. O In order to remove any dilution effects caused by water.

Explanation / Answer

The most appropriate answer is the last one.ie, innorder to remove any dilution effects caused by water.

This is doing innorder to prevent dilution of the titrant which can be caused due to the remaining drops of water inside the burette(water may be present inside the burette after rinsing with water).This may leads to calculation errors due to change in concentration from the actual concentration of the titrant that we are needed.

Thus by rinsing with the titrant, we can prevent these dilution effects ,so that calculation errors.

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