1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
natima [27]
4 years ago
7

The maximum concentration set by the U.S. Environmental Protection Agency for lead in drinking water is 15 ppb.

Chemistry
1 answer:
bazaltina [42]4 years ago
7 0
<span>1 part per billion is roughly 1 microgram/Liter, which is equivalent to 1 milligram per cubic meter. From there to convert 15ppb to ug is a direct shift. If the concentration is 15ppb and a Liter is consumed, a microgram of lead has been consumed.</span>
You might be interested in
When all the atoms of particular type of matter are the same, the matter is a
igor_vitrenko [27]

Answer:

an element.

Explanation:

When all the atoms contain a nucleus with the same amount of protons then each atom is classified as the same element. Hence multiple atoms and a larger quantity of atoms of the same element is still just the same single element.

5 0
2 years ago
Using alcohols as solvents offers the advantage of using ro- ions which are somewhat stronger ______ than the hydroxide ion.
podryga [215]
The answer is "Ro-ions which are somewhat stronger bases than the hydroxide ion.
These ro-ions are also known as alkoxide ions, and these are stronger bases. the reason behind this is that the alcohols are weaker acids than the water. Alcohols are also used as solvent in some organic reactions and this offers and advantage to use ro-ions.
5 0
3 years ago
Which color has the longest wavelength?
aev [14]
Red has the longest wavelength
7 0
3 years ago
PLEASE HELP WHAT IS THE CORRECT ANSWER (if possible let me know why)
ANTONII [103]

Answer:I’m not 100% sure but I think it’s the first answer.

Explanation:

The pressure would increase as the molecules are pushing out word more and more, leading to more space being taken and more pressure. But then again, I’m not sure. I’m just a freshman with below average grades.

8 0
3 years ago
What information can a foliated metamorphic rock provide you about the conditions under which it formed?
Mnenie [13.5K]
A foliated rock forms when the minerals are realigned due to the presence of high temperature and pressure. The minerals align in such a way that the axes are directed to where the pressure was applied.
4 0
3 years ago
Other questions:
  • Remember that it takes 2 electrons to form a bond how many bonds does CIO 3 - have, the chlorate ion
    6·2 answers
  • Which of the following is the best example of a closed system?
    9·2 answers
  • How did Niels Bohr describe electrons in his atomic model
    7·2 answers
  • How does the modern periodic table arrange elements?
    5·2 answers
  • Compute 4.659×104−2.14×104. Round the answer to correct amount of sig figs.
    8·1 answer
  • Glycolysis occurs during the second stage of cellular respiration. *<br> 1 point<br> True<br> False
    14·1 answer
  • A student bought a 1.55-ounce chocolate bar and left it in a car on a hot day.
    9·1 answer
  • Please help!!!
    15·1 answer
  • HELP!! what are the usual products of combustion reactions?
    6·2 answers
  • 1. When conducting this experiment, some procedures call for heating the substance several times and recording the mass after ea
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!