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How many atoms of sulfur are in a 2.500 mole sample of pure sulfur? * 1.505 x 1024 5.69 x 10-24 110. 1.20 x 1024

How many atoms of sulfur are in a 2.500 mole sample of pure sulfur? * 1.505 x 1024 5.69 x 10-24 110. 1.20 x 1024

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter2: Chemical Compounds
Section: Chapter Questions
Problem 123QRT
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How many atoms of sulfur are in a 2.500 mole sample of pure sulfur? * ● 1.505 x 1024 C 5.69 x 10-24 110. 1.20 x 1024 1 Mole of Atoms of Each Element Pictured OOOO 65.4 g Zn 32.1 g S 0000 volume, atoms ● masses, atoms Ovolumes, molecules Omasses, molecules O94.1 g/mole O 29.0 g/mole In the image below, there are eight samples of different ELEMENTS. Each sample * is exactly 1 mol. Why are the masses of each sample different? The mass of 1 mole of each unique sample is different because the of the individual ______ are different. 46.0 g/mole 100 g/mole 1 What is the molar mass of phenol (C₂H-OH)? The atomic masses of C, H and O are 12.0, 1.01 and 16.00 amu respectively. 2 4 12.0 g C 3 24.3 g Mg 28.1 g Si When the following equation is balanced, what is the coefficient in front of the HCI? HCl + CaCO3 → CaCl₂ + CO₂ + H₂O 1.05 g 79.5 g O54.8 g 207 g Pb 100 g 63.5 g Cu What is the mass in 3.00 x 10 23 units of calcium chloride, CaCl₂? * 118.7 g Sn
Transcribed Image Text:How many atoms of sulfur are in a 2.500 mole sample of pure sulfur? * ● 1.505 x 1024 C 5.69 x 10-24 110. 1.20 x 1024 1 Mole of Atoms of Each Element Pictured OOOO 65.4 g Zn 32.1 g S 0000 volume, atoms ● masses, atoms Ovolumes, molecules Omasses, molecules O94.1 g/mole O 29.0 g/mole In the image below, there are eight samples of different ELEMENTS. Each sample * is exactly 1 mol. Why are the masses of each sample different? The mass of 1 mole of each unique sample is different because the of the individual ______ are different. 46.0 g/mole 100 g/mole 1 What is the molar mass of phenol (C₂H-OH)? The atomic masses of C, H and O are 12.0, 1.01 and 16.00 amu respectively. 2 4 12.0 g C 3 24.3 g Mg 28.1 g Si When the following equation is balanced, what is the coefficient in front of the HCI? HCl + CaCO3 → CaCl₂ + CO₂ + H₂O 1.05 g 79.5 g O54.8 g 207 g Pb 100 g 63.5 g Cu What is the mass in 3.00 x 10 23 units of calcium chloride, CaCl₂? * 118.7 g Sn
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