Question

If exactly one molecule of solute is present in 1. 00 l of solution, what is the concentration of the solution?.

Answer 1

The concentration is 1.66 x 10⁻²⁴M if exactly one solute molecule exists in one milliliter of solution.

What is a brief explanation of the word "molecule"?

A molecule is the simplest unit of the a substance that keeps its content and properties. It is made up of two or maybe more atoms that are joined together by hydrogen bonds.

Briefing:

1 molar solution is 1 mole in 1 liter.

1 mole = 6.022 x 10²³ molecules

1 molecule = 1/6.022 x 10²³ moles

= 0.166 x 10⁻²³ moles

So 0.166 x10⁻²³23 moles in 1 L means concentration = 1.66 x 10⁻²⁴M

Since 1 molecule solute means M= 1.66 x 10⁻²⁴M

1 x 10⁻²⁵M has only fraction of a solute molecule

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