Answer:
A I did the exam and I saw A sorry if it is wrong dont have the best of memory
The simple formula is C = n/V
n = mols
C = Concentration or Molarity
V = Volume in Liters.
n = 2
V = 4
C = 2 / 4
C = 0.5 mol/Litre
It is often a sign of kidney problems. :)
Answer:
the most best answer is 50.1 you never find such type of answer
