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...
Related questions
Question
What is the elements,
1. Compound: C8H10N4O2
2. Compound: CuSO4 * 5 H2O
Transcribed Image Text:The image contains two tables for calculating the molar mass and percentage composition of two chemical compounds.
### Compound 1: C₆H₁₂N₂O₃
#### Table Structure:
- **Columns:**
- **ELEMENT:** The elements present in the compound.
- **ATOMIC MASS:** The atomic mass of each element.
- **# of ATOMS:** The number of atoms of each element in the compound.
- **SUB TOTAL:** The product of the atomic mass and the number of atoms for each element.
- **% COMPOSITION:** The percentage composition of each element in the compound.
- **Rows:**
- Four empty rows for entering data about each element in C₆H₁₂N₂O₃.
- A section at the bottom for calculating the overall molar mass.
### Compound 2: CuSO₄ · 5 H₂O
#### Table Structure:
- **Columns:**
- **ELEMENT:** The elements present in the compound.
- **ATOMIC MASS:** The atomic mass of each element.
- **# of ATOMS:** The number of atoms of each element in the compound.
- **SUB TOTAL:** The product of the atomic mass and the number of atoms for each element.
- **% COMPOSITION:** The percentage composition of each element in the compound.
- **Rows:**
- Four empty rows for entering data about each element in CuSO₄ · 5 H₂O.
- A section at the bottom for calculating the overall molar mass.
### Instructions:
- Fill in the tables with the appropriate atomic masses and the number of atoms for each element.
- Calculate the sub total by multiplying the atomic mass with the number of atoms.
- Determine the percentage composition of each element based on its contribution to the molar mass.
- Sum the sub totals to find the molar mass of the compound.
Expert Solution
Step 1
Following are the detailed calculation of elements, atomic mass ,no. of atoms ,subtotal and % of compostion.
% composition is calculated by taking the total mass to 100 %.
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