# What is a concentration unit of a solution expressed as moles of solute dissolved per liter of solution?

Concentrations can be quoted in terms of $\text{moles per litre}$
$\text{Concentration"="Moles of solute"/"Volume of solution}$...clearly the associated units are $m o l \cdot {L}^{-} 1$...where we mean ....
$\text{amount of substance per litre of solution....}$