BACKGROUND You will determine the number of atoms on a galvanized nail (zinc-coated iron) and approximate the volume of the coating. The procedure involves massing the galvanized iron before and after removing the zinc coating in acidic conditions. Knowledge of the masses of zinc and iron will enable you to calculate the relative number of moles and of atoms of the two metals in the galvanized nail. PURPOSE To understand the mole concept To learn the relationships between moles, grams, molecules, and atoms. To determine the volume of zinc required to galvanize an iron nail. Use the data in Table 1 to answer the following. Be sure to show all your work! 1. Calculate the mass of zinc coating. 2. Calculate the number of moles of iron. 3. Calculate the number of moles of zinc.
BACKGROUND You will determine the number of atoms on a galvanized nail (zinc-coated iron) and approximate the volume of the coating. The procedure involves massing the galvanized iron before and after removing the zinc coating in acidic conditions. Knowledge of the masses of zinc and iron will enable you to calculate the relative number of moles and of atoms of the two metals in the galvanized nail. PURPOSE To understand the mole concept To learn the relationships between moles, grams, molecules, and atoms. To determine the volume of zinc required to galvanize an iron nail. Use the data in Table 1 to answer the following. Be sure to show all your work! 1. Calculate the mass of zinc coating. 2. Calculate the number of moles of iron. 3. Calculate the number of moles of zinc.
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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BACKGROUND
You will determine the number of atoms on a galvanized nail (zinc-coated iron) and approximate the volume of the coating. The procedure involves massing the galvanized iron before and after removing the zinc coating in acidic conditions. Knowledge of the masses of zinc and iron will enable you to calculate the relative number of moles and of atoms of the two metals in the galvanized nail.
PURPOSE
To understand the mole concept
To learn the relationships between moles, grams, molecules, and atoms.
To determine the volume of zinc required to galvanize an iron nail.
Use the data in Table 1 to answer the following. Be sure to show all your work!
1. Calculate the mass of zinc coating.
2. Calculate the number of moles of iron.
3. Calculate the number of moles of zinc.
Transcribed Image Text:OBSERVATIONS
QUANTITATIVE OBSERVATIONS
QUALITATIVE OBSERVATIONS
Initial mass of galvanized iron – 1.18g
Final mass of iron core – 1.03g
Result of gas test -
Table 1: Mass and gas data observations
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