Four grams of copper chloride on analysis was found to contain 1.890 g of copper and 2.110 g of chlorine (Cl). What is the empirical formula of copper chloride ?

Four grams of copper chloride on analysis was found to contain 1.890 g

1.	Four grams of copper chloride on analysis was found to contain 1.890 g of copper and 2.110 g of chlorine (Cl). What is the empirical formula of copper chloride ?
Answer» Solution :Step I. Percentage of the element Percentage of `Cu=(1.89)/(4.0)xx100=47.25,` Percentage of `CL =(2.11)/(4.0)xx100=52.75` Step II. Empirical formula of copper CHLORIDE `{:("Element","Percentage","ATOMIC MASS","Gram atoms (Moles)","Atomic ratio (Molar ratio)","Simplest whole no. ratio"),("Cu",47.25,63.5,(47.25)/(63.5)=0.74,(0.74)/(0.74)=1,1),("Cl",52.75,35.5,(52.75)/(35.5)=1.48,(1.48)/(0.74)=2,2):}` Empirical formula of the COMPOUND `= CuCl_(2)`.