From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 599/CH7/EX7.7/example7_7.sce | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100755 599/CH7/EX7.7/example7_7.sce

(limited to '599/CH7/EX7.7/example7_7.sce')

diff --git a/599/CH7/EX7.7/example7_7.sce b/599/CH7/EX7.7/example7_7.sce
new file mode 100755
index 000000000..9cd10f997
--- /dev/null
+++ b/599/CH7/EX7.7/example7_7.sce
@@ -0,0 +1,18 @@
+
+clear;
+clc;
+printf("\t Example 7.7\n");
+
+s1=139.8;              //solubility at 80 degree per 100 gm of water
+s2=110.5;              //solubility at 20 degree per 100 gm of water
+w2=174.2;                 //molecular weight of K2CO3.10H2O
+M1=(138/w2)*100;        //water present in 100kg of K2CO3.10H2O
+//let x be the quantity of Na2CO3.10H2O
+x=poly([0],'x');         //calc. x the weight of crystal
+t=roots(500*(139.8/239.8)-.7921*x-(500-x)*110.5/210.5);             
+printf("\n the weight of quantity of K2CO3.10H2O formed  :%f kg",t);
+
+p=(174/138)*500*(139.8/239.8);       //weight of crystal present in the original solution
+yield=t/p;                 //percentage yield 
+printf("\n percentage yield :%f percent",yield*100);
+//end
\ No newline at end of file
-- 
cgit