Michael is testing out the following reaction: Na2CO3+ 2HCl à 2NaCl + H2O + CO2. He combines sodium carbonate with hydrochloric acid in a 100 mL graduated cylinder and covers the mouth of the graduated cylinder with a balloon. Michael fills out the data table. Substance/Material Measurement Mass of sodium carbonate 2.5 g Mass of empty graduated cylinder 72.5 g Mass of graduated cylinder with HCl 88.8 g Mass of empty balloon 0.4 g Mass of final experiment XXX g In order to show evidence supporting the Law of Conservation of Mass, what should Michael find as the final mass, and why? A 18.8 g, because only the mass of the products should be accounted for, not the equipment. B 19.2 g, because the mass of the products and the balloon should be accounted for. C 75.4 g, because this mass accounts for all equipment and products in the reaction. D 91.7 g, because this mass accounts for all equipment, reactants, and products created in the reaction.
Michael is testing out the following reaction: Na2CO3+ 2HCl à 2NaCl + H2O + CO2. He combines sodium carbonate with hydrochloric acid in a 100 mL graduated cylinder and covers the mouth of the graduated cylinder with a balloon. Michael fills out the data table. Substance/Material Measurement Mass of sodium carbonate 2.5 g Mass of empty graduated cylinder 72.5 g Mass of graduated cylinder with HCl 88.8 g Mass of empty balloon 0.4 g Mass of final experiment XXX g In order to show evidence supporting the Law of Conservation of Mass, what should Michael find as the final mass, and why? A 18.8 g, because only the mass of the products should be accounted for, not the equipment. B 19.2 g, because the mass of the products and the balloon should be accounted for. C 75.4 g, because this mass accounts for all equipment and products in the reaction. D 91.7 g, because this mass accounts for all equipment, reactants, and products created in the reaction.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Michael is testing out the following reaction: Na2CO3+ 2HCl à 2NaCl + H2O + CO2. He combines sodium carbonate with hydrochloric acid in a 100 mL graduated cylinder and covers the mouth of the graduated cylinder with a balloon. Michael fills out the data table.
| Substance/Material | Measurement |
| Mass of sodium carbonate | 2.5 g |
| Mass of empty graduated cylinder | 72.5 g |
| Mass of graduated cylinder with HCl | 88.8 g |
| Mass of empty balloon | 0.4 g |
| Mass of final experiment | XXX g |
In order to show evidence supporting the Law of Conservation of Mass, what should Michael find as the final mass, and why?
|
|
18.8 g, because only the mass of the products should be accounted for, not the equipment. |
|
|
|
19.2 g, because the mass of the products and the balloon should be accounted for. |
|
|
|
75.4 g, because this mass accounts for all equipment and products in the reaction. |
|
|
|
91.7 g, because this mass accounts for all equipment, reactants, and products created in the reaction. |
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