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Given: - 13.65 g sulfur W 60.35 g chlorine Wanted: percent composition by mass?

Ask by Hills Collins. in the United States
Jan 27,2025

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The compound is approximately 18.43% sulfur and 81.57% chlorine by mass.

Solution

To find the percent composition by mass of sulfur and chlorine in the compound, we can follow these steps: 1. **Calculate the total mass of the compound**: This is the sum of the masses of sulfur and chlorine. 2. **Calculate the percent composition**: This is done by dividing the mass of each element by the total mass of the compound and then multiplying by 100 to get a percentage. ### Step 1: Calculate the total mass of the compound Let: - Mass of sulfur (S) = 13.65 g - Mass of chlorine (Cl) = 60.35 g Total mass (M) can be calculated as: \[ M = S + Cl \] ### Step 2: Calculate the percent composition The percent composition of each element can be calculated using the formulas: \[ \text{Percent composition of S} = \left( \frac{S}{M} \right) \times 100 \] \[ \text{Percent composition of Cl} = \left( \frac{Cl}{M} \right) \times 100 \] Now, let's perform the calculations. First, we will calculate the total mass \( M \). Then, we will calculate the percent compositions for sulfur and chlorine. Let's proceed with the calculations. 1. Calculate the total mass \( M \): \[ M = 13.65 + 60.35 \] 2. Calculate the percent compositions: \[ \text{Percent composition of S} = \left( \frac{13.65}{M} \right) \times 100 \] \[ \text{Percent composition of Cl} = \left( \frac{60.35}{M} \right) \times 100 \] I'll perform these calculations now. Calculate the value by following steps: - step0: Calculate: \(13.65+60.35\) - step1: Add the numbers: \(74\) Calculate or simplify the expression \( (60.35 / (13.65 + 60.35)) * 100 \). Calculate the value by following steps: - step0: Calculate: \(\left(\frac{60.35}{\left(13.65+60.35\right)}\right)\times 100\) - step1: Remove the parentheses: \(\left(\frac{60.35}{13.65+60.35}\right)\times 100\) - step2: Add the numbers: \(\left(\frac{60.35}{74}\right)\times 100\) - step3: Divide the terms: \(\frac{1207}{1480}\times 100\) - step4: Reduce the numbers: \(\frac{1207}{74}\times 5\) - step5: Multiply: \(\frac{1207\times 5}{74}\) - step6: Multiply: \(\frac{6035}{74}\) Calculate or simplify the expression \( (13.65 / (13.65 + 60.35)) * 100 \). Calculate the value by following steps: - step0: Calculate: \(\left(\frac{13.65}{\left(13.65+60.35\right)}\right)\times 100\) - step1: Remove the parentheses: \(\left(\frac{13.65}{13.65+60.35}\right)\times 100\) - step2: Add the numbers: \(\left(\frac{13.65}{74}\right)\times 100\) - step3: Divide the terms: \(\frac{273}{1480}\times 100\) - step4: Reduce the numbers: \(\frac{273}{74}\times 5\) - step5: Multiply: \(\frac{273\times 5}{74}\) - step6: Multiply: \(\frac{1365}{74}\) ### Step 1: Calculate the total mass of the compound The total mass \( M \) is: \[ M = 13.65 + 60.35 = 74 \text{ g} \] ### Step 2: Calculate the percent compositions 1. **Percent composition of sulfur (S)**: \[ \text{Percent composition of S} = \left( \frac{13.65}{74} \right) \times 100 \approx 18.43\% \] 2. **Percent composition of chlorine (Cl)**: \[ \text{Percent composition of Cl} = \left( \frac{60.35}{74} \right) \times 100 \approx 81.57\% \] ### Final Results - **Percent composition of sulfur**: \( \approx 18.43\% \) - **Percent composition of chlorine**: \( \approx 81.57\% \) Thus, the percent composition by mass of the compound is approximately 18.43% sulfur and 81.57% chlorine.

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To find the percent composition by mass of both sulfur and chlorine in the compound, first, calculate the total mass. Add the mass of sulfur (13.65 g) to the mass of chlorine (60.35 g), which gives you a total of 73.00 g. Now, to find the percent composition, divide the mass of each element by the total mass and multiply by 100. For sulfur: (13.65 g / 73.00 g) × 100 = 18.7%. For chlorine: (60.35 g / 73.00 g) × 100 = 81.3%. Thus, the percent composition by mass is 18.7% for sulfur and 81.3% for chlorine. Did you know that the concept of percent composition dates back to the early 1800s? Chemists like John Dalton were pivotal in developing the atomic theory, which paved the way for understanding how elements combine to form compounds and calculating their compositions. In real-world applications, knowing the percent composition is crucial in various fields, such as pharmaceuticals, where the effectiveness of a drug can depend on its composition. Engineers also rely on these calculations to ensure materials meet specific standards and regulations in everything from construction to manufacturing!

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