Problems and exercises1820-1830
1. Urea and ammonium cyanate
Urea, CO(NH2)2, and ammonium cyanate, NH4OCN, have the same molecular formula. What is it? What are compounds related in this way called?
2. Prout's analysis
Calculate the percentage of nitrogen in urea (C = 12.0; H = 1.0; N = 14.0; O = 16.0) and compare it with the 46.65% obtained by Prout in 1817.