Question

Who to know which compound has largest number of molecule

Answer 1

Answer:

Sol. Number of molecules present in 36 g of water = 36/18×N A = 2N A Number of molecules present in 28 g of CO = 28/28×N A = N A Number of molecules present in 46 g of C2H5OH = 46/46×N A = 2N A Number of molecules present in 54 g of N2O5 = 54/108×N A = 0.5N A Here N A is Avogadro's number.