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

Question

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 is: (Aqueous tension at 300 K = 15 mm Hg)

Canvas Classes · Accepted Answer

Strategy:
 In Dumas' method, calculate the moles of dry Nitrogen gas using the Ideal Gas Law () after adjusting for aqueous tension.

Step 1: Correct the pressure
.

Step 2: Calculate moles and result %
Using :
.
Mass .

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