The percent concentration of the Barium nitrate : 11.33%
Further explanation
The concentration of a substance can be expressed in several quantities such as moles, percent (%) weight/volume,), molarity, molality, parts per million (ppm) or mole fraction. The concentration shows the amount of solute in a unit of the amount of solvent.
![\tt \%mass=(mass~solute)/(mass~solution)* 100\%](https://img.qammunity.org/2021/formulas/chemistry/college/ynoy877u21koviq5d9qmkktww4x7b8s03i.png)
mass solute=mass Barium nitrate(Ba(NO₃)₂)=46 g
mass solvent=mass water=360 g
mass solution=mass solute+mass solvent=46+360=406 g
![\tt \%mass=(46)/(406)* 100\%\\\\\%mass=\boxed{\bold{11.33\%}}](https://img.qammunity.org/2021/formulas/chemistry/high-school/4cyrtkq1kukor7mr69w9op5vywko63ssqp.png)