# What is the amount of a substance in a given quantity of a mixture, solution, or ore?

Jul 11, 2017

Do you mean $\text{concentration.......?}$

#### Explanation:

The amount of substance in of some stuff in a solution is often referred to as its $\text{concentration}$......to quote a dictionary......

$\text{the relative amount of a particular substance contained within}$
$\text{a solution or mixture or in a particular volume of space...}$

Ways of expressing concentration for solution include $\text{molarity}$..

$\text{Molarity"="Moles of solute"/"Volume of solution}$,

........or in solid materials we would typically quote a percentage by mass.....

$\text{% metal}$ $=$ "mass of metal"/"mass of ore"xx100%