1 files changed, 8 insertions, 8 deletions
diff --git a/3428/CH23/EX14.23.27/Ex14_23_27.sce b/3428/CH23/EX14.23.27/Ex14_23_27.sce
index c494a9345..8728c5de9 100644
--- a/3428/CH23/EX14.23.27/Ex14_23_27.sce
+++ b/3428/CH23/EX14.23.27/Ex14_23_27.sce
@@ -1,19 +1,19 @@
 //Section-14,Example-2,Page no.-PC.126
 clc;
-CH_3COONa_1=0.01
-CH_3COOH_1=0.1
+CH_3COONa_1=0.01                 //moldm^-3
+CH_3COOH_1=0.1                   //moldm^-3
 K_a=1.75*10^-5
 pK_a=-log10(K_a)
 pH1=pK_a +(log10(CH_3COONa_1/CH_3COOH_1))
 disp(pH1,'pH of the given buffer solution')
-HCl=0.0002
-CH_3COONa_2=0.01+0.0002
-CH_3COOH_2=0.1-0.002
+HCl=0.0002                        //moles
+CH_3COONa_2=0.01+0.0002            // moldm^-3
+CH_3COOH_2=0.1-0.002               //moldm^-3
 pH2=pK_a +(log10(CH_3COONa_2/CH_3COOH_2))
 disp(pH2,'pH of the solution after addition of HCl')
-C_1=pH1-pH2                   //change in pH
-CH_3COONa_3=0.01+0.002
-CH_3COOH_3=0.1-0.002
+C_1=pH1-pH2                   //change in pH (M)
+CH_3COONa_3=0.01+0.002                //moldm^-3
+CH_3COOH_3=0.1-0.002                  //moldm^-3
 pH3=pK_a +(log10(CH_3COONa_3/CH_3COOH_3))
 pH4=pH1-pH3                //change in pH
 disp(pH4,'Required pH')