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I Review I Constants I Periodic Table Using mass measurements, early chemists were able to determine that for pure substances, the mass proportions of the composite elements were the same, no matter how much of the substance was analyzed. This became known as the law of definite proportions, or the law of constant composition. Dalton interpreted that this constant mass composition arose from constant composition of atoms. Working with this concept will help you to Part A What is the ratio of hydrogen atoms (H) to oxygen atoms (0) in 2 L of water? Enter the simplest whole number ratio in order of hydrogen to oxygen, respectively. Express your answer as two integers, separated by a comma (e.g., 3,4). better understand the particulate nature of matter. To answer the questions, refer to the structures of water and ammonia shown here.(Figure 1) • View Available Hint(s) Part B How many atoms of hydrogen (H) are present in 200 molecules of ammonia (NH3)? Express your answer numerically. Figure 1 of 1 • View Available Hint(s) H H ν ΑΣφ water H atoms H H ammonia N H

I Review I Constants I Periodic Table Using mass measurements, early chemists were able to determine that for pure substances, the mass proportions of the composite elements were the same, no matter how much of the substance was analyzed. This became known as the law of definite proportions, or the law of constant composition. Dalton interpreted that this constant mass composition arose from constant composition of atoms. Working with this concept will help you to Part A What is the ratio of hydrogen atoms (H) to oxygen atoms (0) in 2 L of water? Enter the simplest whole number ratio in order of hydrogen to oxygen, respectively. Express your answer as two integers, separated by a comma (e.g., 3,4). better understand the particulate nature of matter. To answer the questions, refer to the structures of water and ammonia shown here.(Figure 1) • View Available Hint(s) Part B How many atoms of hydrogen (H) are present in 200 molecules of ammonia (NH3)? Express your answer numerically. Figure 1 of 1 • View Available Hint(s) H H ν ΑΣφ water H atoms H H ammonia N H

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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Please answer 5 Part A and B

Review I Constants I Periodic Table Using mass measurements, early chemists were able to determine that for pure substances, the mass proportions of the composite elements were the same, no matter how much of the substance was analyzed. This became known as the law of definite proportions, or the law of constant composition. Dalton interpreted that this constant mass composition arose from constant composition of atoms. Working with this concept will help you to better understand the particulate nature of matter. To answer the questions, refer to the structures of water and ammonia shown here.(Figure 1) Part A What is the ratio of hydrogen atoms (H) to oxygen atoms (O) in 2 L of water? Enter the simplest whole number ratio in order of hydrogen to oxygen, respectively. Express your answer as two integers, separated by a comma (e.g., 3,4). • View Available Hint(s) Part B How many atoms of hydrogen (H) are present in 200 molecules of ammonia (NH3)? Express your answer numerically. Figure 1 of 1 • View Available Hint(s) H H ν ΑΣφ ? water H atoms H H ammonia H
Transcribed Image Text:Review I Constants I Periodic Table Using mass measurements, early chemists were able to determine that for pure substances, the mass proportions of the composite elements were the same, no matter how much of the substance was analyzed. This became known as the law of definite proportions, or the law of constant composition. Dalton interpreted that this constant mass composition arose from constant composition of atoms. Working with this concept will help you to better understand the particulate nature of matter. To answer the questions, refer to the structures of water and ammonia shown here.(Figure 1) Part A What is the ratio of hydrogen atoms (H) to oxygen atoms (O) in 2 L of water? Enter the simplest whole number ratio in order of hydrogen to oxygen, respectively. Express your answer as two integers, separated by a comma (e.g., 3,4). • View Available Hint(s) Part B How many atoms of hydrogen (H) are present in 200 molecules of ammonia (NH3)? Express your answer numerically. Figure 1 of 1 • View Available Hint(s) H H ν ΑΣφ ? water H atoms H H ammonia H
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