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Potassium cyanide is a toxic substance, and the median lethal dose depends on the mass of the person or animal that ingests it. The median lethal dose of KCN for a person weighing 185 lb (83.9 kg) is [tex]8.50 \times 10^{-3}[/tex] mol. What volume of a 0.0320 M KCN solution contains [tex]8.50 \times 10^{-3}[/tex] mol of KCN?

Answer :

The volume of a 0.0320 m KCN solution contains 8.50×10−3 mole of KCN is 265.625 ml.

What is volume?

Volume is defined as the space occupied by an object within the bounds of three-dimensional space.

Volume is also called as capacity of the object.

Volume can be calculated as

Volume = mass / density

The volume of KCN is

= 8.50×10−3 / 0.0320 m

= 0.265625 L

= 265.625 ml

Thus, the volume of a 0.0320 m KCN solution contains 8.50×10−3 mole of KCN is 265.625 ml.

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Rewritten by : Barada

(8.5 x 10^-3 mol) / (0.0320 mol/L KCN)=0.265625 L=265.625 ml.

This is the volume of a 0.0320 M KCN solution that would give a median lethal dose to a 185 lb person.