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 ( 88+ )
Otras preguntas
A tire has a pressure of 325 kPa at 10°C. If the temperature of the tire rises to 50°C and the volume remains constant, what is the new pressure? (Hint: °C 273
One of the most significant impacts of the increased use of chemical fertilizers, herbicides, and pesticides is __________. A. a decreased need for irrigation B
Which of the following was a feature of Athenian democracy during the 5th century b. . a. ll citizens had the same wealth and social status. b. he number of vo
Solve for W T= sqrt(5/(wc)
a train goes forward at a speed of 1m/s for 20 sec then it stops and goes backward at a speed of 0.5m/s for 4 sec after both movements are completed how far is
Which of the following should you ask yourself when analyzing word choice?1:Are some available details omitted, and if so, why?2:Does the way in which the autho
according to the open door policy, China's ability to tax trade?
A ray in the emission spectrum has a wavelength of 3.10 x 1014 meters. Given that the speed of light is 2.998 x 108 m/s, what is the frequency of the ray?
in "death, be not proud." the speaker is addressing his words to
Which contributes to the dissolution of sugar in water?