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If you have 155 mL solution of a 0.762 M FeCl3 solution, how many
moles of FeCl3 are contained in this sample?

Sagot :

Moles are the product of the molar concentration and the volume of the solution. The moles of Ferric chloride is 0.118 moles.

What are moles?

Moles are the smallest unit of the measurement of atoms and molecules. It is calculated by the molar concentration and the volume of the solution.

Given,

Molar concentration of ferric chloride = 0.762 M

Volume of solution = 0.155 L

Moles are calculated as:

[tex]\begin{aligned} \rm Moles &= \rm Molarity \times Volume (L) \\\\&= 0.762 \times 0.155\\\\&= 0.118\;\rm mol\end{aligned}[/tex]

Therefore, 0.118 moles of ferric chloride are present in the sample.

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