A certain mixture of salt (NaCl) and sugar (C12H22O11) contains 40% chlorine by mass. Calculate the percentage of salt in the mixture
I assume that is 40% Cl2 and not 40% Cl.
40% x (2 x molar mass NaCl/molar mass Cl2) = ?
40% x (2 x molar mass NaCl/molar mass Cl2) = ?