Seudónimo
Seudónimo
01-03-2017
Chemistry
contestada
how does ppm compare to ppb?
Respuesta :
maura2mconroy0547
maura2mconroy0547
08-03-2017
Another way to say it is a liter of water weighs 1,000 grams or 1 million mil- ligrams. Therefore, 1 mg in 1 liter is l mg in 1 million mil- ligrams or 1 part per million. An even smaller concentra- tion measurement is parts per billion
(
ppb
).
Answer Link
VER TODAS LAS RESPUESTAS ( 79+ )
Otras preguntas
A hard candy has a radius of 9 mm. The candy has a spherical soft center with a radius of 6 mm, with a hard shell surrounding it. What is the volume of the hard
Which substance represents a compound?(1) C(s) (3) CO(g)(2) Co(s) (4) O2(g)
Given the incomplete equation for the combustion of ethane: 2C2H6 + 7O2==>4CO2 + 6 ____ What is the formula of the missing product? (1) CH3OH (3) H2O (2) HCO
Evaluate the function at the given value of the independent variable and simplify. f(x) = 4x2 + 5x - 6; f(x - 1)
Which is a contribution of classical Rome to modern Western civilization? A. network of long-distance paved roads B. creation of international sports competi
3. After conducting interviews, you must determine
Which indicator is blue in a solution that has a pH of 5.6? (1) bromcresol green (3) methyl orange (2) bromthymol blue (4) thymol blue
Which kind of information is provided by the Prologue in Romeo and Juliet? A. information about what happens after the play's final event B. information about
Which element has chemical properties that are most similar to those of calcium? (1) Co (3) N (2) K (4) Sr
Why might a telescope be built high in the mountains above weather sys tems. How does this make observing the sky easier?
