Determine the empirical formula of a compound with following percentage composition Cu= 47.3, Cl= 52.7.

Write the empirical formulae of the compounds with the following percentage composition : Zn = 47.8% Cl = 52.2%

Give the empirical formula of C2H4Cl2

What is the simplest formula of the compound which has the following percentage composition carbon 80% , hydrogen 20% , if the molecular mass is 30. calculate its molecular formula ?

Write the empirical formula of the compounds having the molecular formulas : C6H6

Write the empirical formula of the compounds having the molecular formulas : C10H8

Write the empirical formula of the compounds having the molecular formulas : Na2CO3

Write the empirical formula of the compounds having the molecular formulas : Fe2O3

Write the empirical formula of the compounds having the molecular formulas : B2H6

Write the empirical formula of the compounds having the molecular formulas : N2O4

Write the empirical formula of the compounds having the molecular formulas : H2O2