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up 9. The mass reference used in molar mass values in the modern periodic table is based on the carbon-12 atom having a mass of exactly 12 amu. This means one mol of C-12 atoms has a mass of exactly 12 g. Show how to determine the molar mass of carbon shown in the periodic table if C-12 atoms make 98.90% of natural abundance carbon on Earth and C-13 atoms with mass 13.003355 amu make up 1.10% of natural carbon (C-14 atoms make up a negligible fraction of all carbon atoms on Earth).

up 9. The mass reference used in molar mass values in the modern periodic table is based on the carbon-12 atom having a mass of exactly 12 amu. This means one mol of C-12 atoms has a mass of exactly 12 g. Show how to determine the molar mass of carbon shown in the periodic table if C-12 atoms make 98.90% of natural abundance carbon on Earth and C-13 atoms with mass 13.003355 amu make up 1.10% of natural carbon (C-14 atoms make up a negligible fraction of all carbon atoms on Earth).

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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9. The mass reference used in molar mass values in the modern periodic table is based on the carbon-12 atom having a mass of exactly 12 amu. This means one mol of C-12 atoms has a mass of exactly 12 g. Show how to determine the molar mass of carbon shown in the periodic table if C-12 atoms make up 98.90% of natural abundance carbon on Earth and C-13 atoms with mass 13.003355 amu make up 1.10% of natural carbon (C-14 atoms make up a negligible fraction of all carbon atoms on Earth). 10. The Orozco family grills every Saturday after their weekly football match with the Duran family. To grill they need a total of 531.26 g of propane gas. How many atoms of carbon are present in that amount of propane gas? 11. A canal in Mexico City has 1.207x 10^32 molecules of water. How many liters of water are in this canal? 12. A pool has a total of 4.2x10 liters of water. How many grams of H₂O are there in the pool? How many molecules of H₂O are there in the pool? How many atoms of hydrogens are there? 100
Transcribed Image Text:9. The mass reference used in molar mass values in the modern periodic table is based on the carbon-12 atom having a mass of exactly 12 amu. This means one mol of C-12 atoms has a mass of exactly 12 g. Show how to determine the molar mass of carbon shown in the periodic table if C-12 atoms make up 98.90% of natural abundance carbon on Earth and C-13 atoms with mass 13.003355 amu make up 1.10% of natural carbon (C-14 atoms make up a negligible fraction of all carbon atoms on Earth). 10. The Orozco family grills every Saturday after their weekly football match with the Duran family. To grill they need a total of 531.26 g of propane gas. How many atoms of carbon are present in that amount of propane gas? 11. A canal in Mexico City has 1.207x 10^32 molecules of water. How many liters of water are in this canal? 12. A pool has a total of 4.2x10 liters of water. How many grams of H₂O are there in the pool? How many molecules of H₂O are there in the pool? How many atoms of hydrogens are there? 100
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