3. A student weighed an unknown mass directly on an electronic balance of intermediate sensitivity, and got a result of 28.774 g. The student then realized a mistake had been made, and weighed the same unknown by difference on the same balance with the following results:Mass of beaker plus unknown = 59.121 g.Mass of empty beaker = 30.346 g.When the sensitivity of the balance is taken into account, the two values obtained for the unknown mass are considered to be:a. Differentb. The SameExplain your answer.
3. A student weighed an unknown mass directly on an electronic balance of intermediate sensitivity, and got a result of 28.774 g. The student then realized a mistake had been made, and weighed the same unknown by difference on the same balance with the following results:Mass of beaker plus unknown = 59.121 g.Mass of empty beaker = 30.346 g.When the sensitivity of the balance is taken into account, the two values obtained for the unknown mass are considered to be:a. Differentb. The SameExplain your answer.
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter1: Basic Concepts Of Chemistry
Section: Chapter Questions
Problem 2RCYU: A student checked the accuracy of two standard top-loading balances by testing them with a standard...
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3. A student weighed an unknown mass directly on an electronic balance of intermediate sensitivity, and got a result of 28.774 g. The student then realized a mistake had been made, and weighed the same unknown by difference on the same balance with the following results:
Mass of beaker plus unknown = 59.121 g.
Mass of empty beaker = 30.346 g.
When the sensitivity of the balance is taken into account, the two values obtained for the unknown mass are considered to be:
a. Different
b. The Same
Explain your answer.
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