In Dumas' method, of a compound gave of at and . (Aqueous tension at ). The percentage of nitrogen i — Practical Organic Chemistry and Purification Chemistry Question

💡 Solution & Explanation

$P_{\text{dry}} = 715 - 15 = 700\text{ mm}$. $V_{\text{STP}} = \frac{700 \times 55 \times 273}{760 \times 300} = 46.09\text{ mL}$. Mass = $\frac{28}{22400} \times 46.09$. $\%N = \frac{\text{Mass}}{0.35} \times 100 = 16.45\%$.