1. A 25 mL flask is known to hold a total volume of 27.64 mL when completely filled. The empty flask has a mass of 45.897 grams. The student was to determine the density of an irregularly shaped solid. He added the solid to the flask and determined that the mass of the flask and the solid was 156.11 grams. He then filled the remaining volume of the flask with water and determined that the mass of the flask, water and solid was 171.89 grams. The density of the water was 0.9970 g/mL. Using this information answer the following questions: a) What was the mass of the solid? b) What was the mass of the water? c) What was the volume of water? d) What was the volume of the solid? e) What was the density of the solid?

Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions
Section: Chapter Questions
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1. A 25 mL flask is known to hold a total volume of 27.64 mL when completely filled. The empty flask has a mass of 45.897 grams. The student was to determine the density of an irregularly shaped solid. He added the solid to the flask and determined that the mass of the flask and the solid was 156.11 grams. He then filled the remaining volume of the flask with water and determined that the mass of the flask, water and solid was 171.89 grams. The density of the water was 0.9970 g/mL. Using this information answer the following questions: a) What was the mass of the solid? b) What was the mass of the water? c) What was the volume of water? d) What was the volume of the solid? e) What was the density of the solid?

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