Question

define mole fraction please answer

Answer 1

Mole fraction is a unit of concentration, defined to be equal to the number of moles of a component divided by the total number of molesof a solution. Because it is a ratio,mole fraction is a unitless expression

Answer 2

Mole fraction is another way of expressing the concentration of a solution or mixture. It is equal to the moles of one component divided by the total moles in the solution or mixture.