In Dumas' method for estimation of nitrogen, 0.5 gram of an organic compound gave 60 mL of nitrogen collected at 300 K temperature and 715 mm Hg pressure. The percentage composition of nitrogen in the compound (Aqueous tension at 
) is 
.
Text Solution
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To determine the percentage composition of nitrogen using Dumas' method, follow these calculations:
Calculate the Pressure of Nitrogen Gas:
Pressure of 
Calculate the Moles of Nitrogen 
:
Where:
Plug the values into the equation:
Calculate the Mass of Nitrogen Gas:
Mass of 
Determine the Percentage Composition of Nitrogen:
Thus, the percentage composition of nitrogen in the compound is approximately 
.
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