A phosphorus and oxygen containing compound is 46.2494% phosphorus and 53.751% oxygen. Determine the empirical formula of the compound PxOy X = Y =
A phosphorus and oxygen containing compound is 46.2494% phosphorus and 53.751% oxygen. Determine the empirical formula of the compound PxOy X = Y =
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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![**Determining the Empirical Formula of a Compound Containing Phosphorus and Oxygen**
Given Data:
- Percentage of Phosphorus (P): 46.2494%
- Percentage of Oxygen (O): 53.751%
**Problem Statement:**
A compound contains phosphorus and oxygen such that the mass percentage of phosphorus is 46.2494% and the mass percentage of oxygen is 53.751%. You are required to determine the empirical formula of this compound.
**Formula Representation:**
The empirical formula of the compound could be represented as \( \text{P}_X \text{O}_Y \), where \(X\) represents the number of phosphorus atoms and \(Y\) represents the number of oxygen atoms in the simplest whole-number ratio.
**Calculation:**
Fields to input the answer:
X = [ ]
Y = [ ]
**Explanation:**
To determine the empirical formula:
1. Convert the percentage composition to grams (assuming a 100 g sample, so 46.2494 g of P and 53.751 g of O).
2. Convert these masses to moles using atomic masses (P = 30.97 g/mol, O = 16.00 g/mol).
3. Divide each of the mole values by the smallest mole value obtained.
4. Obtain a ratio and round to the nearest whole number to determine the subscripts X and Y.
By following these steps and inputting values for X and Y in the provided fields, you will obtain the empirical formula of the compound.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F728daa52-c1e6-4aac-ae8f-ab0c6ea6f8ed%2F0eeacc60-e4ac-485e-87d6-24e650167157%2Fifhvx0e_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Determining the Empirical Formula of a Compound Containing Phosphorus and Oxygen**
Given Data:
- Percentage of Phosphorus (P): 46.2494%
- Percentage of Oxygen (O): 53.751%
**Problem Statement:**
A compound contains phosphorus and oxygen such that the mass percentage of phosphorus is 46.2494% and the mass percentage of oxygen is 53.751%. You are required to determine the empirical formula of this compound.
**Formula Representation:**
The empirical formula of the compound could be represented as \( \text{P}_X \text{O}_Y \), where \(X\) represents the number of phosphorus atoms and \(Y\) represents the number of oxygen atoms in the simplest whole-number ratio.
**Calculation:**
Fields to input the answer:
X = [ ]
Y = [ ]
**Explanation:**
To determine the empirical formula:
1. Convert the percentage composition to grams (assuming a 100 g sample, so 46.2494 g of P and 53.751 g of O).
2. Convert these masses to moles using atomic masses (P = 30.97 g/mol, O = 16.00 g/mol).
3. Divide each of the mole values by the smallest mole value obtained.
4. Obtain a ratio and round to the nearest whole number to determine the subscripts X and Y.
By following these steps and inputting values for X and Y in the provided fields, you will obtain the empirical formula of the compound.
![**Problem Statement:**
Calculate the mass percentage of iron in iron(II) oxide. Use the periodic table that is given on the Canvas homepage. Enter the answer as a percentage. Do not use the % symbol.
**Chemical Compound:**
iron(II) oxide
**Answer Input:**
[Text box for answer entry]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F728daa52-c1e6-4aac-ae8f-ab0c6ea6f8ed%2F0eeacc60-e4ac-485e-87d6-24e650167157%2F75cvq1c_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Problem Statement:**
Calculate the mass percentage of iron in iron(II) oxide. Use the periodic table that is given on the Canvas homepage. Enter the answer as a percentage. Do not use the % symbol.
**Chemical Compound:**
iron(II) oxide
**Answer Input:**
[Text box for answer entry]
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