Molarity is the molar concentration of the solute dissolved in a volume of a solution. The molarity of the solution prepared by dissolving barium chloride will be 0.085 M.

<h3>What is molarity?</h3>

Molarity is the ratio of the moles of the solute to that of the volume of the solution in Liters. It can be given as,

$\rm Molarity = \dfrac{moles}{Volume}$

Here, moles of the barium chloride can be given by the mass and the molar mass and volume is given as 0.450 L.

Substituting values in the equation:

$\begin{aligned}\rm Molarity &= \rm \dfrac{mass}{Molar \;mass\times Volume}\\\\&= \dfrac{8}{208.23\times 0.450}\\\\&= 0.085\;\rm M\end{aligned}$

Therefore, 0.085 M barium chloride is the molar concentration.

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Why are the atoms of the group 8 elements unreactive??

anygoal [31]

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because that is the last group the ones before it are more reactive im sorry if this not what you were looking for.

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Where does the energy that causes evaporation come from?

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Im pretty sure its the sun.

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