calculate3 the concentrationof chloride in water sample Mw using this equation

Question

mol Ag+
= 1= MxVwx10-3 = MxVw
mol Cl- 1 Mwx20.00x10-3 Mwx20 so
M x Vw=Mw x20 or Mw= M x Vw
20
Mw= ? mol/L chloride in water sample= ? mmol/L
Mw=? g/L chloride in water sample
Mw=?ppm in water sample
Thanks