![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
![Parts per Million Concentration. Parts per Million (ppm) is the ratio of the number of grams of solute for every one million grams of solution. parts. - ppt download Parts per Million Concentration. Parts per Million (ppm) is the ratio of the number of grams of solute for every one million grams of solution. parts. - ppt download](https://images.slideplayer.com/25/7788444/slides/slide_4.jpg)
Parts per Million Concentration. Parts per Million (ppm) is the ratio of the number of grams of solute for every one million grams of solution. parts. - ppt download
![CO2 in the atmosphere just exceeded 415 parts per million for the first time in human history | TechCrunch CO2 in the atmosphere just exceeded 415 parts per million for the first time in human history | TechCrunch](https://techcrunch.com/wp-content/uploads/2019/05/Screen-Shot-2019-05-12-at-3.23.36-PM.png)