blob: a662a1b59b98cdffd82d6e4dc8d99d05e45d7f19 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
//Chapter 14: Water Treatment
//Problem: 8
clc;
//Initialisation of Variables
//EDTA=Ethylenediaminetetraacetic acid
v1_water = 50 //in ml for water
w1_CaCO3 = 1.5 //in mg for pure CaCO3
v1_EDTA = 44 //in ml for EDTA
v2_EDTA = 40 //in ml for EDTA
v2_water = 20 //in ml for water
//Solution
EDTA_1 = v1_water * w1_CaCO3 / v1_EDTA
hardw_40 = v2_water * 1.704
total_h1 = hardw_40 * 1000 / 40
total_h2 = total_h1 * 0.07
mprintf("Total hardness is :%.2f °Cl",total_h2)
|
