[Question of the Day] Chemical Engineering Analysis Edition, 2021.8.5
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Identify the proper procedure among the following titration operations:A. Before titration, rinse the burette three times with the standard solution to be used.
B. During titration, shaking the Erlenmeyer flask causes a small amount of solution to spill out.
C. Before titration, the Erlenmeyer flask should be rinsed three times with the solution to be tested.
D. When there is less than 1 cm of solution left in the burette before reaching the zero mark, use a dropper to add solution until the lower edge of the meniscus touches the “0” mark.
A
A. Before titration, rinse the burette three times with the standard solution to be used