What is the percent composition of sulfur compound that contains 20.8 g carbon and 54.4 g sulfur?

Percentage of S =  72.3%

Percentage of C =  27.7%

Explanation:

Given data:

Mass of carbon = 20.8 g

Mass of sulfur = 54.4 g

Percent composition = ?

Solution:

First of all we will calculate the total mass of compound.

Total mass  = mass of carbon + mass of sulfur

Total mass = 20.8 g + 54.4 g

Total mass = 75.2 g

Percentage of carbon:

Percentage of C = mass of carbon / total mass × 100

Percentage of C =  20.8 g/ 75.2 g  × 100

Percentage of C =  27.7%

Percentage of Sulfur:

Percentage of S = mass of carbon / total mass × 100

Percentage of S =  54.4 g/ 75.2 g  × 100

Percentage of S =  72.3%

Total  = 72.3% +   27.7% = 100% (so answer is correct)

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explanation:

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