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 ( 84+ )
Otras preguntas
What are the due process protection questions in light of the creation of the department of homeland security?
If 800 milligrams of medication enters a patient’s bloodstream at noon and decays exponentially at a rate of 12% per hour, when will only 8% of the original amo
It took Marlo 42 minutes to walk 3 miles. It took his sister 72 minutes to walk 6 miles. If the ratio of minutes to miles is constant for each person, how much
Money Inc., has debt outstanding currently worth $15 billion at an interest rate of 8%. if the firm's tax rate is 30%, what is the wacc?
Quote response: very little is needed to make a happy life. marcus aurelius do you agree? what do you need to be happy? are we too materialistic? explain your a
Rebecca has scored 81, 83, and 87 on her first three exams in her math class. If the standard 70,80,90 scale is used for grades and the exams are equally weight
(6x^7 + 29x^6 + 29x^5 + 17x^4 - 21x^3 - 2x^2 + 13x + 14) divided by (6x^2 + 5x + 3) Use synthetic division
When comparing push versus pull concepts, who or what is really doing the pushing?
The government raises lump-sum taxes on income by $100 billion, and the neoclassical economy adjusts so that output does not change. if the marginal propensity
Many items that were once quite useful are now considered obsolete: the telegraph, cassette players, and fax machines. Which type of context clue would you use
