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diff --git a/1427/CH9/EX9.4/9_4.sce b/1427/CH9/EX9.4/9_4.sce
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+//ex-4
+//Calculating amount of an element formed from an alloy
+clc
+M=10;//Mass of alloy AB given (in g)
+p=25;//Percentage of A in AB
+w1=(p/100)*M;//Weight of A in AB (in g)
+w2=M-w1;//Weight of B in AB (in g)
+w3=w2/3;//Weight of B separated out on cooling in eutectic (in g)
+ans=w2-w3;//Original amount-Amount in eutectic (in g)
+printf("Amount of B formed = %.1f g.",ans);