1eE.3 concentrations in ppm Flashcards
1
Q
what does PPM stand for
A
Parts Per Million
2
Q
What Does PPM mean
A
the number of parts of one substace in one million part of another substance, this measurement is used to describe the chemical concentration where “parts” would mean masses of both substance or the volumes of both substance
3
Q
what is the formula for concentration PPM in solutions
A
C= m of solute x 1000000 / mass of solvent
4
Q
a concentration of 1 ppmv means?
A
1 cm in 1000000cm
5
Q
what is the formula for concentration PPM in gases
A
C= v of gass x 1000000 / v of air