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Compound X has a molar mass of 316.25 g-mol and the following composition: 1 element phosphorus sulfur mass % 39.18% 60.82% Write the molecular formula of X. X

Compound X has a molar mass of 316.25 g-mol and the following composition: 1 element phosphorus sulfur mass % 39.18% 60.82% Write the molecular formula of X. X

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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On an educational website, the content might be transcribed and explained as follows: --- **Molecular Formula Calculation for Compound X** Compound X has a molar mass of \( 316.25 \, \text{g} \cdot \text{mol}^{-1} \) and the following composition by mass: | Element | Mass % | |-------------|----------| | Phosphorus | 39.18% | | Sulfur | 60.82% | **Task:** Write the molecular formula of Compound X. **Procedure:** 1. **Calculate Moles of Each Element:** - Use the percentage composition and the molar mass of each element to determine the mole ratio. 2. **Determine Empirical Formula:** - Convert mass percentages to moles using atomic masses (approximately 30.97 g/mol for phosphorus and 32.07 g/mol for sulfur). - Simplify the mole ratio to find the simplest whole number ratio. 3. **Find Molecular Formula:** - Use the molar mass of compound X to scale the empirical formula to the molecular formula. **Interactive Tools:** - [ ] An interactive box is provided to input your calculated molecular formula. - [ ] A clickable "Explanation" button offers step-by-step guidance. - [ ] A "Check" button allows you to verify your answer. ---
Transcribed Image Text:On an educational website, the content might be transcribed and explained as follows: --- **Molecular Formula Calculation for Compound X** Compound X has a molar mass of \( 316.25 \, \text{g} \cdot \text{mol}^{-1} \) and the following composition by mass: | Element | Mass % | |-------------|----------| | Phosphorus | 39.18% | | Sulfur | 60.82% | **Task:** Write the molecular formula of Compound X. **Procedure:** 1. **Calculate Moles of Each Element:** - Use the percentage composition and the molar mass of each element to determine the mole ratio. 2. **Determine Empirical Formula:** - Convert mass percentages to moles using atomic masses (approximately 30.97 g/mol for phosphorus and 32.07 g/mol for sulfur). - Simplify the mole ratio to find the simplest whole number ratio. 3. **Find Molecular Formula:** - Use the molar mass of compound X to scale the empirical formula to the molecular formula. **Interactive Tools:** - [ ] An interactive box is provided to input your calculated molecular formula. - [ ] A clickable "Explanation" button offers step-by-step guidance. - [ ] A "Check" button allows you to verify your answer. ---
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