Question
Thu July 28, 2011 By:
 

An organic compound containing C, H, O and Cl gave on analysis 18.6 % C, 1.55 % H and 55 % Cl. Its molecular weight is 129. Calculate its molecular formula

Expert Reply
Thu July 28, 2011
emperical mass  = 1X12 + 1X1 + 1X 16 + 1X 35.5  = 64.5
molecular mass  = 129
n= molecular formula/emperical formula = 129/64.5  = 2
molecular formula = (COHCl)2   = C2H2O2Cl2
Related Questions
Thu March 23, 2017

Q)

Ask the Expert