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An element X forms both a dichloride (XCl 2 ) and a tetrachloride (XC 4 ). Treatment of 10.00 g XCl 2 with excess chlorine forms 12.55 g XCl 4 . Calculate the atomic mass of X, and identify X.
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Chemistry: An Atoms First Approach
2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
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Chapter
Section
BuyFindarrow_forward
Chemistry: An Atoms First Approach
2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
Chapter 5, Problem 173CP
Textbook Problem
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An element X forms both a dichloride (XCl2) and a tetrachloride (XC4). Treatment of 10.00 g XCl2 with excess chlorine forms 12.55 g XCl4. Calculate the atomic mass of X, and identify X.
Interpretation Introduction
Interpretation: It is given that, when element
Concept introduction: The molar mass of any compound can be calculated by adding of atomic weight of individual atoms present in it.
To determine: The name of element
Explanation of Solution
Given
The mass of
The mass of
The atomic mass of chlorine
The reaction of
Molar mass is the sum of atomic mass of individual atoms. The molar mass of
Where,
It is clear from the given reaction that one mole of reactant
Formula
The mass of compound is calculated by using the formula,
Since, number of moles of
Substitute the values of mass and atomic mass of
Chapter 5 Solutions
Chemistry: An Atoms First Approach
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