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yiolsotopes and Average Atomic Mass

yiolsotopes and Average Atomic Mass

Chemistry
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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+ BIUA so One 24 GO kyiolsotopes and Average Atomic Mass bjective:nb b . Calculate from experimental data the weighted average mass (average atomic mass) of an imaginary element called Penguinium. Pe Penguinum 7.7777 ntroduction: Oopes are atoms of the same atomic number (same element) having different masses due to different num neutrons. The average atomic mass of an elemert is the weighted average of the masses of the isatape lement The weighted average takes inte acceunt beth the mass and rektve abundance of each sateg Ccurs in nature. Purpose: n this experimer, you will perfarm the necenary cakulatioms to determine the average atomic mass of th ictitious elemert Penguinm The three different hatopes of Penguinium are colared red, white and bur job will be to abtain a sample of Penguinm and determine the mam of each isotope and the relative bundogeance of each isotope. Fram this data, you will cakulate the weighed average mas, or ama Penguinium ***Unlike real sotopes, each isotope of Penguinum differs slightly in mas. For he red bears weigh exactly the same (f these were real natopes they would So you will determine the mass of each type of isotope (Table 1), and well pretend that all of each satope weighs exactly shat thea s. Then you can cakulate the weighad average mas(a ka average atomk mas) of Penginkm 1 Experimental Procedure: L Find the mass of all of the red saape'. Then the white 'saope', and then vellow 'isotope 2 Cat the mal number of partickes of each isotope 1 *Divde the oul mass by the # of particles far each saope to gt the average (mean) mass satape 4 Find the abundance of each isotope by dadng he # of particles of each isotope e the part icles, and then mdiply by 100 to find the % abudance. l#of
Transcribed Image Text:+ BIUA so One 24 GO kyiolsotopes and Average Atomic Mass bjective:nb b . Calculate from experimental data the weighted average mass (average atomic mass) of an imaginary element called Penguinium. Pe Penguinum 7.7777 ntroduction: Oopes are atoms of the same atomic number (same element) having different masses due to different num neutrons. The average atomic mass of an elemert is the weighted average of the masses of the isatape lement The weighted average takes inte acceunt beth the mass and rektve abundance of each sateg Ccurs in nature. Purpose: n this experimer, you will perfarm the necenary cakulatioms to determine the average atomic mass of th ictitious elemert Penguinm The three different hatopes of Penguinium are colared red, white and bur job will be to abtain a sample of Penguinm and determine the mam of each isotope and the relative bundogeance of each isotope. Fram this data, you will cakulate the weighed average mas, or ama Penguinium ***Unlike real sotopes, each isotope of Penguinum differs slightly in mas. For he red bears weigh exactly the same (f these were real natopes they would So you will determine the mass of each type of isotope (Table 1), and well pretend that all of each satope weighs exactly shat thea s. Then you can cakulate the weighad average mas(a ka average atomk mas) of Penginkm 1 Experimental Procedure: L Find the mass of all of the red saape'. Then the white 'saope', and then vellow 'isotope 2 Cat the mal number of partickes of each isotope 1 *Divde the oul mass by the # of particles far each saope to gt the average (mean) mass satape 4 Find the abundance of each isotope by dadng he # of particles of each isotope e the part icles, and then mdiply by 100 to find the % abudance. l#of
D of Particles (d+ white + yellowj: avg mass abundance particles (beans) Isotope name mass (imass mass particles Penguinium-red Penguinium-white Penguinium-yello TAble 2 Mass Abundance Mass Abundance Avg. mass (from Table 1) Symbol (from Table 1) (Avg. Mass) x (% Abundan Pe white Pe Pe Average Atomic Weight (sum total)
Transcribed Image Text:D of Particles (d+ white + yellowj: avg mass abundance particles (beans) Isotope name mass (imass mass particles Penguinium-red Penguinium-white Penguinium-yello TAble 2 Mass Abundance Mass Abundance Avg. mass (from Table 1) Symbol (from Table 1) (Avg. Mass) x (% Abundan Pe white Pe Pe Average Atomic Weight (sum total)
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