Calculate the percent composition by mass of each element in LiClO2.

Given parameters:

  Chemical specie = LiClO₂

Unknown:

Percentage composition of each specie = ?

Solution:

The percentage composition involves knowing the percent of total mass of a compound is made up of each of the constituent elements or groups.

Formula mass of  LiClO₂;

              7 + 35.5 + 2(16) = 74.5g/mol

The percentage composition of each species are;

%Li  = x 100  = 9.4%

%Cl  =  = 47.7%

%O₂  =  = 43.0%

a:

by the combination of an unlimited number of elements

the answer to this question is 3.