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Get Informed (Explain) The collective counting words above (i.e. pair, tray, ream and case) are most often used C. on number of items in everyday life just as the grocery finds selling eggs by the dozen more convenient than selling them individual. All matter contain so many atoms so a unit of measurement for amount of substance called the mole (mol) has been established for use in counting atoms. A Mole (symbol: mol) is a number equal to the number of carbon atoms which is exactly 12 grams of pure Carbon - 12. It is the unit of measurement for amount of substances in the International System of Units (SI). Avogadro's Number (NA) is the number of particles in one mole of a substance which is equal to 6.02 x 1023 representative particles of that substance. Representative particles can either be atoms, molecules, or formula units. One mole of Carbon -12 contains 6.02 x 1023 atoms for elements, molecules for covalent compounds and formula units 6.022x 10

Get Informed (Explain) The collective counting words above (i.e. pair, tray, ream and case) are most often used C. on number of items in everyday life just as the grocery finds selling eggs by the dozen more convenient than selling them individual. All matter contain so many atoms so a unit of measurement for amount of substance called the mole (mol) has been established for use in counting atoms. A Mole (symbol: mol) is a number equal to the number of carbon atoms which is exactly 12 grams of pure Carbon - 12. It is the unit of measurement for amount of substances in the International System of Units (SI). Avogadro's Number (NA) is the number of particles in one mole of a substance which is equal to 6.02 x 1023 representative particles of that substance. Representative particles can either be atoms, molecules, or formula units. One mole of Carbon -12 contains 6.02 x 1023 atoms for elements, molecules for covalent compounds and formula units 6.022x 10

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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1. How many bananas are equal to 9.75 moles of banana? 2. How many moles of tomatoes are in 5.01 x 10²⁵ tomatoes?
QUARTER 3, WEEKS 22 Get Informed (Explain) ana The collective counting words above (i.e. pair, tray, ream and case) are most often used on number of items in everyday life just as the grocery finds selling eggs by the dozen more convenient than selling them individual. All matter contain so many atoms so a unit of measurement for amount of substance called the mole (mol) has been established for use in counting atoms. A Mole (symbol: mol) is a number equal to the number of carbon atoms which is exactly 12 grams of pure Carbon – 12. It is the unit of measurement for amount of substances in the International System of Units (SI). Avogadro's Number (Na) is the number of particles in one mole of a substance which is equal to 6.02 x 1023 representative particles of that substance. Representative particles can either be atoms, molecules, or formula units. One mole of Carbon - 12 contains 6.02 x 1023 atoms for elements, molecules for covalent compounds and formula units 6.022x10 for ionic compounds. Examples: 1 mole of Sodium contains 6.02 x 1023 atoms of Sodium da 1 mole of sugar contains 6.02 x 1023 water molecules 1 mole of Silver chloride contains 6.02 x 1023 formula units of Silver chloride Avogadro's number = 6.02 x 1023 particles A mole = 602, 000, 000, 000, 000, 000, 000, 000 things Lorenzo Romano Amedeo Carlo Avogadro - an Italian scientist - The Avogadro's constant was named after him even though he was not the one who determined its value. = 602 hexillion Can you figure out how large Avogadro's number is, try to imagine this, "If you put together 6.02 x 1023 basketballs, it will be as big as the Earth or if you have 6.02 x 1023 rice grains, it would cover the land masses of the Earth to a depth of 75 meters or if you have 6.02 x 1023 doughnuts, you would reach the sun from the Earth and vice versa 200 billion Jean Baptiste Perrin - was a French physicist who first used the Avogadro's constant. Friedrich Wilhelm Ostwald was a Baltic German chemist and philosopher who first propounded the used of the term Mole as a times. standard unit of measurement of chemical substance in the year 1900. Mole Day is an unofficial holiday celebrated among chemists, chemistry students and chemistry enthusiasts on October 23, between 6:02 a.m. and 6:02 p.m. Now that you have recognized how big Avogadro's number is, let us try to think about the number of particles in a given sample. We will use the dimensional analysis approach to convert the number of moles to its equivalent amount in the number of particles. Sample Problem 1: How many molecules are there in 3.0 moles of CO2? Given: No. of moles = 3.0 moles CO2 Solution: 3.0 moles CO2 x 6.02 x 1023 molecules CO2 1 mole = 6.02 x 1023 molecules CO2 1 móle CO2 = 18.06 x 1023 molecules CO2 = 1.806 x 1024 molecules CO2 Find: No. of molecules CO2 Sample Problem 2: How many moles of mongo seeds are equal to 1.709 x 1024 mongo seeds? Given: No. of mongo seeds = 1.709 x 1024 mongo seeds 1 mole = 6.02 x 1023 mongo seeds Find: No. of mongo seeds Solution: 1.709 x 1024 mongo seeds x 1 mole mongo seeds 6.02 x 1023 mọngo seeds = 0.2839 x 10 24- 23= 1 mol mongo seeds = 2.839 mol CO2 For you to have a feel on how it is being done, you may answer the following questions. You need to follow the two (2) samples inorder to answer the questions accurately. Write your computations on the LAS. 1. How many bananas are equal to 9.75 moles of banana? 2. How many moles of tomatoes are in 5.01 x 1025 tomatoes? tialen bouo different masses, Different substances
Transcribed Image Text:QUARTER 3, WEEKS 22 Get Informed (Explain) ana The collective counting words above (i.e. pair, tray, ream and case) are most often used on number of items in everyday life just as the grocery finds selling eggs by the dozen more convenient than selling them individual. All matter contain so many atoms so a unit of measurement for amount of substance called the mole (mol) has been established for use in counting atoms. A Mole (symbol: mol) is a number equal to the number of carbon atoms which is exactly 12 grams of pure Carbon – 12. It is the unit of measurement for amount of substances in the International System of Units (SI). Avogadro's Number (Na) is the number of particles in one mole of a substance which is equal to 6.02 x 1023 representative particles of that substance. Representative particles can either be atoms, molecules, or formula units. One mole of Carbon - 12 contains 6.02 x 1023 atoms for elements, molecules for covalent compounds and formula units 6.022x10 for ionic compounds. Examples: 1 mole of Sodium contains 6.02 x 1023 atoms of Sodium da 1 mole of sugar contains 6.02 x 1023 water molecules 1 mole of Silver chloride contains 6.02 x 1023 formula units of Silver chloride Avogadro's number = 6.02 x 1023 particles A mole = 602, 000, 000, 000, 000, 000, 000, 000 things Lorenzo Romano Amedeo Carlo Avogadro - an Italian scientist - The Avogadro's constant was named after him even though he was not the one who determined its value. = 602 hexillion Can you figure out how large Avogadro's number is, try to imagine this, "If you put together 6.02 x 1023 basketballs, it will be as big as the Earth or if you have 6.02 x 1023 rice grains, it would cover the land masses of the Earth to a depth of 75 meters or if you have 6.02 x 1023 doughnuts, you would reach the sun from the Earth and vice versa 200 billion Jean Baptiste Perrin - was a French physicist who first used the Avogadro's constant. Friedrich Wilhelm Ostwald was a Baltic German chemist and philosopher who first propounded the used of the term Mole as a times. standard unit of measurement of chemical substance in the year 1900. Mole Day is an unofficial holiday celebrated among chemists, chemistry students and chemistry enthusiasts on October 23, between 6:02 a.m. and 6:02 p.m. Now that you have recognized how big Avogadro's number is, let us try to think about the number of particles in a given sample. We will use the dimensional analysis approach to convert the number of moles to its equivalent amount in the number of particles. Sample Problem 1: How many molecules are there in 3.0 moles of CO2? Given: No. of moles = 3.0 moles CO2 Solution: 3.0 moles CO2 x 6.02 x 1023 molecules CO2 1 mole = 6.02 x 1023 molecules CO2 1 móle CO2 = 18.06 x 1023 molecules CO2 = 1.806 x 1024 molecules CO2 Find: No. of molecules CO2 Sample Problem 2: How many moles of mongo seeds are equal to 1.709 x 1024 mongo seeds? Given: No. of mongo seeds = 1.709 x 1024 mongo seeds 1 mole = 6.02 x 1023 mongo seeds Find: No. of mongo seeds Solution: 1.709 x 1024 mongo seeds x 1 mole mongo seeds 6.02 x 1023 mọngo seeds = 0.2839 x 10 24- 23= 1 mol mongo seeds = 2.839 mol CO2 For you to have a feel on how it is being done, you may answer the following questions. You need to follow the two (2) samples inorder to answer the questions accurately. Write your computations on the LAS. 1. How many bananas are equal to 9.75 moles of banana? 2. How many moles of tomatoes are in 5.01 x 1025 tomatoes? tialen bouo different masses, Different substances
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