In beaker Y, a blue solution was prepared by completely dissolving 10.0 g of a non-volatile blue powdered solid in 100.0 mL of water. A 20.0 mL aliquot from the solution was obtained and placed in beaker Z. Both beakers were left to dry completely, after which the masses of the residue were weighed. Which of the following statements is TRUE? Select one: O a. The color of solution in Y is darker than Z before evaporation. O b. Solutions in Y and Z have the same concentration before evaporation. O c. Residue in beakers Y and Z will have the same mass after evaporation. O d. The density of solution in Y is larger than Z before evaporation. 노 15

In beaker Y, a blue solution was prepared by completely dissolving 10.0 g of a non-volatile blue powdered solid in 100.0 mL of water. A 20.0 mL aliquot from the solution was obtained and placed in beaker Z. Both beakers were left to dry completely, after which the masses of the residue were weighed. Which of the following statements is TRUE? Select one: O a. The color of solution in Y is darker than Z before evaporation. O b. Solutions in Y and Z have the same concentration before evaporation. O c. Residue in beakers Y and Z will have the same mass after evaporation. O d. The density of solution in Y is larger than Z before evaporation. 노 15

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter4: Calculations Used In Analytical Chemistry

Section: Chapter Questions

Problem 4.23QAP

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1
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