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If matter is mostly empty space, as suggested by

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 12E Chapter 2

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 12E

If matter is mostly empty space, as suggested by Rutherford, then why does it appear so solid?

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Solution : Hydrogen sulfide i s composed of two elements: hydrogen a nd sulfur H2(s) H (2 + S(s) (a) If 0.384 g of hydrogen is obtained in this experiment, how many grams of sulfur must be obtained Given, Mass of hydrogen sulfide (H S) =2.500g. Mass of hydrogen(H) = 0.384 g Therefore, Mass of sulfur = Mass of H S - 2ss of H = 6.500g-0.384g = 6.116g (b) What fundamental law does this experiment demonstrate This experiment demonstrates the law of conservation of mass. Law of conservation of mass states that mass in an isolated system is neither re ated nor destroyed by chemical reactions or physical transformations. According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the m ass of the reactants. (c) How is this law explained by Dalton's atomic theory According to law of conservation of mass,the mass of the products in a chemical reaction must equal the mass of the reactants, that is the total mass of material present after a chemical reaction is same as the total mass before the reaction. Postulate 3 of Dalton’s atomic theory also suggests that the atom always retain their identities and during the chemical reaction the atoms rearrange to give new chemical combinations. Hence Law of conservation of mass is explain ed by Dalton’s atomic theory.

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Chapter 2, Problem 12E is Solved
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Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

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If matter is mostly empty space, as suggested by