![SOLVED: Calculating the Water Hardness For convenience assume that all hardness is due to the presence of only Caz+ions in the form of calcium carbonate, CaCO3 The unit of hardness may be SOLVED: Calculating the Water Hardness For convenience assume that all hardness is due to the presence of only Caz+ions in the form of calcium carbonate, CaCO3 The unit of hardness may be](https://cdn.numerade.com/ask_images/50f37c25b4a84ca4a3547665e31bf516.jpg)
SOLVED: Calculating the Water Hardness For convenience assume that all hardness is due to the presence of only Caz+ions in the form of calcium carbonate, CaCO3 The unit of hardness may be
![Concentration of solutions Parts per million (ppm) This is a way of expressing very dilute concentrations of substances. Just as per cent means out of. - ppt download Concentration of solutions Parts per million (ppm) This is a way of expressing very dilute concentrations of substances. Just as per cent means out of. - ppt download](https://slideplayer.com/13818871/73/images/slide_1.jpg)
Concentration of solutions Parts per million (ppm) This is a way of expressing very dilute concentrations of substances. Just as per cent means out of. - ppt download
![Units Conversion There are 1,000 milligrams (mg) in 1 gram (g) milli = 1 *10-3 milligrams per liter (mg/l) are equal to parts per million (ppm) - ppt download Units Conversion There are 1,000 milligrams (mg) in 1 gram (g) milli = 1 *10-3 milligrams per liter (mg/l) are equal to parts per million (ppm) - ppt download](https://images.slideplayer.com/47/11649444/slides/slide_8.jpg)