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diff --git a/1427/CH6/EX6.6/6_6.sce b/1427/CH6/EX6.6/6_6.sce
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+//ques-6.6
+//Calculating concentration of nickel ions in the cell
+clc
+e1=-0.25;//emf for Ni(2+)/Ni (in V)
+e2=0.34;//emf for Cu(2+)/Cu (in V)
+C1=0.75;//concentration of Cu(2+) (in M)
+E=0.601;//emf of cell (in V)
+n=2;//number of electrons
+//On solving, E = e2-e1+(0.0592/n)*log(C1/C2)
+C2=C1/2.3529;//concentration of Ni(2+) (in M)
+printf("The concentration of nickel ions is %.4f M.",C2);