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

---
 3428/CH23/EX14.23.18/Ex14_23_18.sce | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 3428/CH23/EX14.23.18/Ex14_23_18.sce

(limited to '3428/CH23/EX14.23.18/Ex14_23_18.sce')

diff --git a/3428/CH23/EX14.23.18/Ex14_23_18.sce b/3428/CH23/EX14.23.18/Ex14_23_18.sce
new file mode 100644
index 000000000..a19fbf110
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+++ b/3428/CH23/EX14.23.18/Ex14_23_18.sce
@@ -0,0 +1,21 @@
+//Section-14,Example-2,Page no.-PC.112
+//To calculate the pH in the following cases.
+clc;
+V_1=150                //volume of 0.1 NaOH solution
+V_2=150                //volume of 0.2 HCl solution
+N_1=0.1
+N_2=0.2
+V=V_1+V_2             //Total volume of the solution
+m_eq=(V_2*N_2)-(V_1*N_1)            //Total milliequivalents of excess HCl
+N=m_eq/V
+C_1=N                          //Since HCl is a strong acid so[HCl]=[H3O+]
+pH_1=-log10(C_1)
+disp(pH_1,'pH of the required solution')
+pH1=5
+C1=10^-5                    //[H3O+]
+pH2=3
+C2=10^-3                    //[H3O+]
+C_3=(C1+C2)/2                //[H3O+]
+pH_2=-log10(C_3)
+disp(pH_2,'pH of the required solution')
+
-- 
cgit