Which of the following is CORRECT ?

Options

A. Molality (m) of a solution
`=("Number of mole of solute ")/("Number of litres of solution ")`
B. Molality (m ) of a solution
`=(" Number of gram -equivalanes of solute ")/("Number of litres of solution ")`
C. Molality (m) of a solution
`=("Number of moles of solute ")/("Number of kilograms of solvent ")`
D. Molality (m) of a solution
`=("Number of moles of a component ")/("Total number of moles of all components")`

Answer

C