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I need help with Chemistry please.

Chemistry
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Rinsing buret after clean w/ soap & water,should rinse be dispense through buret tip or top opening buret?Explain

Preparing buret for titration,final rinse w/ NaOH titrant rather than deionized H2O.Explain

How is"half-drop"titrant dispensed from buret?

Oct 7th, 2014

1) After rinsing the buret with soap and water, you must always dispense through the tip of the buret so as to drain every single drop that is present.

2) It is always necessary to finally rinse the buret with the titrant so as to flush away any reactant, liquid or solid that may be present before we fill the buret with the pure titrant. 

3) Carefully open the stopcock just barely and let a drop grow on the tip without allowing it grow so large that it drops off. Then tousch the tip of the buret to the side of a flsk or beaker so as to allow it to slide away.

Oct 10th, 2014

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Oct 7th, 2014
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Oct 7th, 2014
Dec 8th, 2016
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