Practical Organic Chemistry

0.2g of an organic compound was subjected to estimation of nitrogen by Dumas method in which volume of N2 evolved (at STP) was found to be 22.400‌mL. The percentage of nitrogen in the compound is ______[nearest integer]
(Given : Molar mass of N2 is 28gmol−1. Molar volume of N2 at STP:22.4L )