initial commit / add all books

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+//ques-1.10

+//Calculating Total hardness and Alkalinity and Lime and Soda required for softening hard water

+clc

+A=30;//content of Calcium cation (in mg/L)

+B=18;//content of Magnesium cation (in mg/L)

+C=11;//content of Co2 (in mg/L)

+D=122;//content of Hydrogen carbonate anion (in mg/L)

+a1=(A/40)*100;//CaCO3 equivalent of A (in mg/L)

+a2=(B/24)*100;//CaCO3 equivalent of A (in mg/L)

+a3=(C/44)*100;//CaCO3 equivalent of A (in mg/L)

+a4=(D/122)*100;//CaCO3 equivalent of A (in mg/L)

+total=a1+a2;//total hardness (in ppm)

+alk=a4-a3;//alkalinity (in ppm)

+lime=(a2+a3+a4)*(74/100);//lime required (in ppm)

+soda=(a1+a2-a4)*(106/100);//soda required (in ppm)

+printf("Total Hardness of sample is %d ppm and alkalinity present is %d ppm.\n",total,alk);

+printf(" Lime required to soften given water sample is %d ppm and Soda required is %d ppm.",lime,soda);