MASS FRACTION AND PPM

Define PPM.

Mole Fraction|Exercise Questions|Parts Per Million (PPM) / Parts Per Billion (PPB)|Exercise Questions|Summary

Concentration terms-W/W %,W/V %, Molarity,Molality,Mole Fraction ,PPb,PPm

Mole Fraction|Questions|Parts Per Million (PPM) / Parts Per Billion (PPB)|Questions|Summary

The TLV values of four pollutants A, B, C and Dare 9ppm, 10ppm, 100ppm and 500 ppm respectively. The most toxic amount them is

Dissolved oxygen values of four water samples A, B, C and D are respectively 6 ppm, 5ppm, 1ppm and 3ppm. Which is polluted ?