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iew History Bookmarks Window Help saplinglearning.com Bology ch... ds l Quizlet impact counselor apps owitt course:KN. RNG 2017A) mal tamu My eCampus board Learn sapling Learning che Texas A&M; University-CHEM 112 Lab Funda... 2/13/2017 11:30 AM G 3.5/20 Time Remaining: 18 M 24 s Gradebook Print Calaulator Periosc Table m 3 of 12 Sapling Learning Po Gr concem in the lab environment Read the following Astudent uses appet designated for the NaoH solution to pipetthe Hzso, Pol Several students have leftover reagents after the completion of an experiment and to the excess the There is only one spatula available to measure out several different white powders. Rather than wasting multple weigh boats, a student decides to wash and dry a single weigh boat in O el In between each use they wash and drythe flask O He At the end of the day, the waste bottle is so ful that a student decides to dump his waste into an almost empty bottle of sock Kl solution. O We O Tee Previous Check Answer oNet Exit e

Explanation / Answer

students should not use pipet designated for the NaOH solution to pipet out H2SO4 solution. students should take the exact required amount of reagents from the container as returning them to thheir respective container might contaminate reagents. students should wash spachula every single time when ther are about to weigh any solid compound, if they have only one spachula. reusing weigh boats is fine if one is washing and drying every time they need to weigh.

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