I believe that it is B chemicals containing carbon
Answer: The molarity of solution is 0.231 M
Explanation:
Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.

where,
n = moles of solute
= volume of solution in L
Molar mass of
= 
moles of
= 
Now put all the given values in the formula of molality, we get


Therefore, the molarity of solution is 0.231 M
Answer:
The emmision of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei
or
the giving off of rays of energy or particles by the breaking apart of atoms of certain elements