{ "metadata": { "name": "" }, "nbformat": 3, "nbformat_minor": 0, "worksheets": [ { "cells": [ { "cell_type": "heading", "level": 1, "metadata": {}, "source": [ "Chapter 4:Reactions in Aqueous Solutions" ] }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example no:4.6,Page no:148" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Variable declaration\n", "K2Cr2O7=294.2 #mol mass of K2Cr2O7, g\n", "M=2.16 #Concentration of K2Cr2O7, M\n", "V=0.250 #volume of K2Cr2O7, L\n", "\n", "#Calculation\n", "moles=M*V #moles of K2Cr2O7\n", "mass=moles*K2Cr2O7 \n", "\n", "#Result\n", "print\"The mass of the K2Cr2O7 needed is :\",round(mass),\"g K2Cr2O7\\n\"\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "The mass of the K2Cr2O7 needed is : 159.0 g K2Cr2O7\n", "\n" ] } ], "prompt_number": 12 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example no:4.7,Page no:149" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Variable declaration\n", "mGlucose=3.81 #mass of Glucose, g\n", "Glucose=180.2 #mol mass of Glucose, g\n", "M=2.53 #Concentration of Glucose, M\n", "\n", "#Calculation\n", "moles=mGlucose/Glucose #moles of Glucose\n", "V=moles/M #volume of Glucose, L\n", "\n", "#Result\n", "print\"The volume of the Glucose needed is :\",round(V*1000,2),\"mL soln\\n\"\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "The volume of the Glucose needed is : 8.36 mL soln\n", "\n" ] } ], "prompt_number": 14 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example no:4.8,Page no:150" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Variable declaration\n", "M2=1.75 #final Concentration of H2SO4, M\n", "V2=500 #final volume of H2SO4, mL\n", "M1=8.61 #initial Concentration of H2SO4, M\n", "\n", "#Calculation\n", "V1=M2*V2/M1 #initail volume of H2SO4, mL\n", "\n", "#Result\n", "print\"The volume of the H2SO4 needed to dilute the solution is :\",round(V1),\"mL\"" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "The volume of the H2SO4 needed to dilute the solution is : 102.0 mL\n" ] } ], "prompt_number": 16 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example no:4.9,Page no:152" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Variable declaration\n", "mSample=0.5662 #mass of sample, g\n", "Cl=35.5 #mol mass of Cl, g\n", "AgCl=143.4 #mol mass of AgCl, g\n", "mAgCl=1.0882 #mass of AgCl formed, g\n", "\n", "#Calculation\n", "p_Cl_AgCl=Cl/AgCl*100.0 #percent Cl in AgCl\n", "mCl=p_Cl_AgCl*mAgCl/100.0 #mass of Cl in AgCl, g\n", "mCl=round(mCl,3)\n", "#the same amount of Cl is present in initial sample\n", "p_Cl=mCl/mSample*100.0 #percent Cl in initial sample\n", "\n", "#Result\n", "print\"The percentage of Cl in sample is :\",round(p_Cl,2),\"%\"\n" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "The percentage of Cl in sample is : 47.51 %\n" ] } ], "prompt_number": 25 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example no:4.10,Page no:154" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Variable declaration\n", "mKHP=0.5468 #mass of KHP, g\n", "KHP=204.2 #mol mass of KHP, g\n", "\n", "#Calculation\n", "nKHP=mKHP/KHP #moles of KHP\n", "VNaOH=23.48 #volume of NaOH, mL\n", "MNaOH=nKHP/VNaOH*1000 #molarity of NaOH sol, M\n", "\n", "#Result\n", "print\"The molarity of NaOH solution is :\",round(MNaOH,4),\"M\\n\"" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "The molarity of NaOH solution is : 0.114 M\n", "\n" ] } ], "prompt_number": 18 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example no:4.11,Page no:155" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Variable declaration\n", "MNaOH=0.610 #molarity of NaOH, M\n", "VH2SO4=20 #volume of H2SO4, mL\n", "MH2SO4=0.245 #molarity of H2SO4, M\n", "\n", "#Calculation\n", "nH2SO4=MH2SO4*VH2SO4/1000 #moles of H2SO4\n", "VNaOH=2*nH2SO4/MNaOH #Volume of NaOH, L\n", "\n", "#Result\n", "print\"The volume of NaOH solution is :\",round(VNaOH*1000,1),\"mL\\n\"" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "The volume of NaOH solution is : 16.1 mL\n", "\n" ] } ], "prompt_number": 19 }, { "cell_type": "heading", "level": 2, "metadata": {}, "source": [ "Example no:4.12,Page no:157" ] }, { "cell_type": "code", "collapsed": false, "input": [ "#Variable declaration\n", "MKMnO4=0.1327 #molarity of KMnO4, M\n", "VKMnO4=16.42 #volume of KMnO4, mL\n", "\n", "#Calculation\n", "nKMnO4=MKMnO4*VKMnO4/1000 \n", "nFeSO4=5*nKMnO4 \n", "VFeSO4=25 #volume of FeSO4, mL\n", "MFeSO4=nFeSO4/VFeSO4*1000 \n", "\n", "#Result\n", "print\"The molarity of FeSO4 solution is :\",round(MFeSO4,3),\"M\\n\"" ], "language": "python", "metadata": {}, "outputs": [ { "output_type": "stream", "stream": "stdout", "text": [ "The molarity of FeSO4 solution is : 0.436 M\n", "\n" ] } ], "prompt_number": 20 } ], "metadata": {} } ] }