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Compound: Fe(ClO3)2 ELEMENT ATOMIC MASS Compound: (NH₂),PO, ELEMENT ATOMIC MASS X X X X X X X X # of ATOMS = = # of ATOMS = MOLAR MASS: = = = = MOLAR MASS: SUB TOTAL SUB TOTAL % COMPOSITION % COMPOSITION

Compound: Fe(ClO3)2 ELEMENT ATOMIC MASS Compound: (NH₂),PO, ELEMENT ATOMIC MASS X X X X X X X X # of ATOMS = = # of ATOMS = MOLAR MASS: = = = = MOLAR MASS: SUB TOTAL SUB TOTAL % COMPOSITION % COMPOSITION

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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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 What is the elements, atomic mass, number of atoms, subtotal and composition?

1. Compound: Fe(ClO3)2  

 

2. Compound: (NH4)3PO4  

### Chemical Composition Analysis #### Compound: Fe(ClO₄)₂ | **ELEMENT** | **ATOMIC MASS** | **# of ATOMS** | **SUB TOTAL** | **% COMPOSITION** | |-------------|----------------|---------------|---------------|-------------------| | | x | | = | | | | x | | = | | | | x | | = | | | | x | | = | | **MOLAR MASS:** --- #### Compound: (NH₄)₃PO₄ | **ELEMENT** | **ATOMIC MASS** | **# of ATOMS** | **SUB TOTAL** | **% COMPOSITION** | |-------------|----------------|---------------|---------------|-------------------| | | x | | = | | | | x | | = | | | | x | | = | | | | x | | = | | **MOLAR MASS:** --- ### Explanation: The tables provided are for determining the molar mass and percentage composition of the compounds Fe(ClO₄)₂ and (NH₄)₃PO₄. Each row is designated for an element in the compound, where you fill out the atomic mass, number of atoms, subtotal mass, and percentage composition. - **Element:** The chemical symbol of an element in the compound. - **Atomic Mass:** The atomic mass of an element (usually found on the periodic table). - **# of Atoms:** The number of atoms of each element in one molecule of the compound. - **Sub Total:** The product of the atomic mass and the number of atoms. - **% Composition:** The percentage of the total molar mass that is made up by each element. To calculate: 1. Multiply the atomic mass by the number of atoms for each element to get the subtotal. 2. Add up the subtotals to get the total molar mass of the compound. 3. Divide each element's subtotal by the total molar mass and multiply by 100 to get the percentage composition.
Transcribed Image Text:### Chemical Composition Analysis #### Compound: Fe(ClO₄)₂ | **ELEMENT** | **ATOMIC MASS** | **# of ATOMS** | **SUB TOTAL** | **% COMPOSITION** | |-------------|----------------|---------------|---------------|-------------------| | | x | | = | | | | x | | = | | | | x | | = | | | | x | | = | | **MOLAR MASS:** --- #### Compound: (NH₄)₃PO₄ | **ELEMENT** | **ATOMIC MASS** | **# of ATOMS** | **SUB TOTAL** | **% COMPOSITION** | |-------------|----------------|---------------|---------------|-------------------| | | x | | = | | | | x | | = | | | | x | | = | | | | x | | = | | **MOLAR MASS:** --- ### Explanation: The tables provided are for determining the molar mass and percentage composition of the compounds Fe(ClO₄)₂ and (NH₄)₃PO₄. Each row is designated for an element in the compound, where you fill out the atomic mass, number of atoms, subtotal mass, and percentage composition. - **Element:** The chemical symbol of an element in the compound. - **Atomic Mass:** The atomic mass of an element (usually found on the periodic table). - **# of Atoms:** The number of atoms of each element in one molecule of the compound. - **Sub Total:** The product of the atomic mass and the number of atoms. - **% Composition:** The percentage of the total molar mass that is made up by each element. To calculate: 1. Multiply the atomic mass by the number of atoms for each element to get the subtotal. 2. Add up the subtotals to get the total molar mass of the compound. 3. Divide each element's subtotal by the total molar mass and multiply by 100 to get the percentage composition.
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