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Question 12 (1 point) Saved Brass is an alloy of copper (8.92 g cm³) and zinc (7.14 g cm³). A 208.3 g piece of brass has a volume of 25.0 cm-3 What is the density of the piece of brass? O 167g4 7.67 g cm³ 8.00 g cm³ 8.33 g cm³ Question 13 (1 point) What is the mass percent of copper in the alloy? 72.4% 78.0% 66.9%

Question 12 (1 point) Saved Brass is an alloy of copper (8.92 g cm³) and zinc (7.14 g cm³). A 208.3 g piece of brass has a volume of 25.0 cm-3 What is the density of the piece of brass? O 167g4 7.67 g cm³ 8.00 g cm³ 8.33 g cm³ Question 13 (1 point) What is the mass percent of copper in the alloy? 72.4% 78.0% 66.9%

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter1: Chemistry And Measurement
Section: Chapter Questions
Problem 1.128QP: Providing no reaction occurs, a solid will float on any liquid that is more dense than it is. The...
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Question 12 (1 point) Saved Brass is an alloy of copper (8.92 g cm³) and zinc (7.14 g cm³). A 208.3 g piece of brass has a volume of 25.0 cm-3 What is the density of the piece of brass? O 167g4 7.67 g cm³ 8.00 g cm³ 8.33 g cm³ Question 13 (1 point) What is the mass percent of copper in the alloy? 72.4% 78.0% 66.9%
Transcribed Image Text:Question 12 (1 point) Saved Brass is an alloy of copper (8.92 g cm³) and zinc (7.14 g cm³). A 208.3 g piece of brass has a volume of 25.0 cm-3 What is the density of the piece of brass? O 167g4 7.67 g cm³ 8.00 g cm³ 8.33 g cm³ Question 13 (1 point) What is the mass percent of copper in the alloy? 72.4% 78.0% 66.9%
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