D. 0.2 M
The concentration of a solution is basically the ratio of the solute present to the solvent in the solution. This is an intrinsic property, independent of the amount of solution that is present. A similar example is that of density. No matter the size of a sample, the density and concentration of that sample remain constant.
Answer:
I think section #3
Explanation:
When i was in science class in my memory it was always in that area
Answer: the valence electron for phosphorus is 5. To achieve an octet electron arrangement, it needs to lose 5 electrons or gain 3 electrons. It is easier to gain 3 electrons than to lose 5 electrons. So phosphorus has to gain 3 electrons.
Explanation:
Hope it helps sorry if it doesn't
Answer:
3 atoms
Explanation:
2 hydrogen atoms and 1 oxygen atom
Answer: The pressure of the tank will be 2.63 atm
Explanation:
According to ideal gas equation:

P = pressure of gas = ?
V = Volume of gas = 4.44 L
n = number of moles = 0.481
R = gas constant =
T =temperature =


The pressure of the tank will be 2.63 atm