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We have two signals let say s1 and s2 where s1=4.27mV and s2=7.98mV Vol of the sample (Vs)=5.00mL Vol of dilution (Vx)=95.0mL Total vol(Vt)=100mL Conc of sample (Cs)=2.08m Consider the equation S1/s2=(CxVt)/(VxCx +VsCs) Where Cx is conc of Na By making Cx