Question

Calculate the percent composition by mass of each element in NaClO3.
%Na=
%Cl=
%O=

Answer 1

% Na = (atomic mass Na/molar mass NaClO3)*100 = ?
% Cl = (atomic mass Cl/molar mass NaClO3)*100 = ?
% O = (3*atomic mass O/molar mass NaClO3)*100 = ?